Vulnerability Database

393,392

Total vulnerabilities in the database

CVE-2016-6381 — cisco / ios

Resource Management Errors

Cisco IOS 12.4 and 15.0 through 15.6 and IOS XE 3.1 through 3.18 and 16.1 allow remote attackers to cause a denial of service (memory consumption or device reload) via fragmented IKEv1 packets, aka Bug ID CSCuy47382.

  • Published: Oct 5, 2016
  • Updated: Oct 3, 2026
  • CVE: CVE-2016-6381
  • Severity: High
  • Exploit:
  • CISA KEV:

CVSS v2:

  • Severity: High
  • Score: 7.1
  • AV:N/AC:M/Au:N/C:N/I:N/A:C

CWEs:

Software Affected versions
cisco / ios = 12.4(15)t7
cisco / ios = 12.4(15)t8
cisco / ios = 12.4(15)t9
cisco / ios = 12.4(15)t10
cisco / ios = 12.4(15)t11
cisco / ios = 12.4(15)t12
cisco / ios = 12.4(15)t13
cisco / ios = 12.4(15)t14
cisco / ios = 12.4(15)t15
cisco / ios = 12.4(15)t16
cisco / ios = 12.4(15)t17
cisco / ios = 12.4(15)xl4
cisco / ios = 12.4(15)xl5
cisco / ios = 12.4(20)mr
cisco / ios = 12.4(20)mr2
cisco / ios = 12.4(20)mrb
cisco / ios = 12.4(20)mrb1
cisco / ios = 12.4(20)t1
cisco / ios = 12.4(20)t2
cisco / ios = 12.4(20)t3
cisco / ios = 12.4(20)t4
cisco / ios = 12.4(20)t5
cisco / ios = 12.4(20)t6
cisco / ios = 12.4(22)gc1
cisco / ios = 12.4(22)md
cisco / ios = 12.4(22)md1
cisco / ios = 12.4(22)md2
cisco / ios = 12.4(22)mda
cisco / ios = 12.4(22)mda1
cisco / ios = 12.4(22)mda2
cisco / ios = 12.4(22)mda3
cisco / ios = 12.4(22)mda4
cisco / ios = 12.4(22)mda5
cisco / ios = 12.4(22)mda6
cisco / ios = 12.4(22)t
cisco / ios = 12.4(22)t1
cisco / ios = 12.4(22)t2
cisco / ios = 12.4(22)t3
cisco / ios = 12.4(22)t4
cisco / ios = 12.4(22)t5
cisco / ios = 12.4(22)xr1
cisco / ios = 12.4(22)xr2
cisco / ios = 12.4(22)xr3
cisco / ios = 12.4(22)xr4
cisco / ios = 12.4(22)xr5
cisco / ios = 12.4(22)xr6
cisco / ios = 12.4(22)xr7
cisco / ios = 12.4(22)xr8
cisco / ios = 12.4(22)xr9
cisco / ios = 12.4(22)xr10
cisco / ios = 12.4(22)xr11
cisco / ios = 12.4(22)xr12
cisco / ios = 12.4(22)yb
cisco / ios = 12.4(22)yb1
cisco / ios = 12.4(22)yb2
cisco / ios = 12.4(22)yb3
cisco / ios = 12.4(22)yb4
cisco / ios = 12.4(22)yb5
cisco / ios = 12.4(22)yb6
cisco / ios = 12.4(22)yb7
cisco / ios = 12.4(22)yb8
cisco / ios = 12.4(22)yd
cisco / ios = 12.4(22)yd1
cisco / ios = 12.4(22)yd2
cisco / ios = 12.4(22)yd3
cisco / ios = 12.4(22)yd4
cisco / ios = 12.4(22)ye
cisco / ios = 12.4(22)ye1
cisco / ios = 12.4(22)ye2
cisco / ios = 12.4(22)ye3
cisco / ios = 12.4(22)ye4
cisco / ios = 12.4(22)ye5
cisco / ios = 12.4(22)ye6
cisco / ios = 12.4(24)gc1
cisco / ios = 12.4(24)gc3
cisco / ios = 12.4(24)gc3a
cisco / ios = 12.4(24)gc4
cisco / ios = 12.4(24)gc5
cisco / ios = 12.4(24)md
cisco / ios = 12.4(24)md1
cisco / ios = 12.4(24)md2
cisco / ios = 12.4(24)md3
cisco / ios = 12.4(24)md4
cisco / ios = 12.4(24)md5
cisco / ios = 12.4(24)md6
cisco / ios = 12.4(24)md7
cisco / ios = 12.4(24)mda1
cisco / ios = 12.4(24)mda2
cisco / ios = 12.4(24)mda3
cisco / ios = 12.4(24)mda4
cisco / ios = 12.4(24)mda5
cisco / ios = 12.4(24)mda6
cisco / ios = 12.4(24)mda7
cisco / ios = 12.4(24)mda8
cisco / ios = 12.4(24)mda9
cisco / ios = 12.4(24)mda10
cisco / ios = 12.4(24)mda11
cisco / ios = 12.4(24)mda12
cisco / ios = 12.4(24)mda13
cisco / ios = 12.4(24)mdb
cisco / ios = 12.4(24)mdb1
cisco / ios = 12.4(24)mdb3
cisco / ios = 12.4(24)mdb4
cisco / ios = 12.4(24)mdb5
cisco / ios = 12.4(24)mdb5a
cisco / ios = 12.4(24)mdb6
cisco / ios = 12.4(24)mdb7
cisco / ios = 12.4(24)mdb8
cisco / ios = 12.4(24)mdb9
cisco / ios = 12.4(24)mdb10
cisco / ios = 12.4(24)mdb11
cisco / ios = 12.4(24)mdb12
cisco / ios = 12.4(24)mdb13
cisco / ios = 12.4(24)mdb14
cisco / ios = 12.4(24)mdb15
cisco / ios = 12.4(24)mdb16
cisco / ios = 12.4(24)mdb17
cisco / ios = 12.4(24)mdb18
cisco / ios = 12.4(24)mdb19
cisco / ios = 12.4(24)t
cisco / ios = 12.4(24)t1
cisco / ios = 12.4(24)t2
cisco / ios = 12.4(24)t3
cisco / ios = 12.4(24)t3e
cisco / ios = 12.4(24)t3f
cisco / ios = 12.4(24)t4
cisco / ios = 12.4(24)t4a
cisco / ios = 12.4(24)t4b
cisco / ios = 12.4(24)t4c
cisco / ios = 12.4(24)t4d
cisco / ios = 12.4(24)t4e
cisco / ios = 12.4(24)t4f
cisco / ios = 12.4(24)t4l
cisco / ios = 12.4(24)t5
cisco / ios = 12.4(24)t6
cisco / ios = 12.4(24)t7
cisco / ios = 12.4(24)t8
cisco / ios = 12.4(24)ye
cisco / ios = 12.4(24)ye1
cisco / ios = 12.4(24)ye2
cisco / ios = 12.4(24)ye3
cisco / ios = 12.4(24)ye3a
cisco / ios = 12.4(24)ye3b
cisco / ios = 12.4(24)ye3c
cisco / ios = 12.4(24)ye3d
cisco / ios = 12.4(24)ye3e
cisco / ios = 12.4(24)ye4
cisco / ios = 12.4(24)ye5
cisco / ios = 12.4(24)ye6
cisco / ios = 12.4(24)ye7
cisco / ios = 12.4(24)yg1
cisco / ios = 12.4(24)yg2
cisco / ios = 12.4(24)yg3
cisco / ios = 12.4(24)yg4
cisco / ios = 15.0(1)m
cisco / ios = 15.0(1)m1
cisco / ios = 15.0(1)m2
cisco / ios = 15.0(1)m3
cisco / ios = 15.0(1)m4
cisco / ios = 15.0(1)m5
cisco / ios = 15.0(1)m6
cisco / ios = 15.0(1)m7
cisco / ios = 15.0(1)m8
cisco / ios = 15.0(1)m9
cisco / ios = 15.0(1)m10
cisco / ios = 15.0(1)mr
cisco / ios = 15.0(1)s
cisco / ios = 15.0(1)s1
cisco / ios = 15.0(1)s2
cisco / ios = 15.0(1)s3a
cisco / ios = 15.0(1)s4
cisco / ios = 15.0(1)s4a
cisco / ios = 15.0(1)s5
cisco / ios = 15.0(1)s6
cisco / ios = 15.0(1)xa
cisco / ios = 15.0(1)xa1
cisco / ios = 15.0(1)xa2
cisco / ios = 15.0(1)xa3
cisco / ios = 15.0(1)xa4
cisco / ios = 15.0(1)xa5
cisco / ios = 15.0(2)eb
cisco / ios = 15.0(2)ec
cisco / ios = 15.0(2)ed
cisco / ios = 15.0(2)ed1
cisco / ios = 15.0(2)eh
cisco / ios = 15.0(2)ej
cisco / ios = 15.0(2)ej1
cisco / ios = 15.0(2)ek
cisco / ios = 15.0(2)ek1
cisco / ios = 15.0(2)ex
cisco / ios = 15.0(2)ex1
cisco / ios = 15.0(2)ex2
cisco / ios = 15.0(2)ex3
cisco / ios = 15.0(2)ex4
cisco / ios = 15.0(2)ex5
cisco / ios = 15.0(2)ex8
cisco / ios = 15.0(2)ex10
cisco / ios = 15.0(2)ey
cisco / ios = 15.0(2)ey1
cisco / ios = 15.0(2)ey2
cisco / ios = 15.0(2)ey3
cisco / ios = 15.0(2)ez
cisco / ios = 15.0(2)mr
cisco / ios = 15.0(2)se
cisco / ios = 15.0(2)se1
cisco / ios = 15.0(2)se2
cisco / ios = 15.0(2)se3
cisco / ios = 15.0(2)se4
cisco / ios = 15.0(2)se5
cisco / ios = 15.0(2)se6
cisco / ios = 15.0(2)se7
cisco / ios = 15.0(2)se9
cisco / ios = 15.0(2a)ex5
cisco / ios = 15.0(2a)se9
cisco / ios = 15.1(1)mr
cisco / ios = 15.1(1)mr1
cisco / ios = 15.1(1)mr2
cisco / ios = 15.1(1)mr3
cisco / ios = 15.1(1)mr4
cisco / ios = 15.1(1)s
cisco / ios = 15.1(1)s1
cisco / ios = 15.1(1)s2
cisco / ios = 15.1(1)sg
cisco / ios = 15.1(1)sg1
cisco / ios = 15.1(1)sg2
cisco / ios = 15.1(1)sy
cisco / ios = 15.1(1)sy1
cisco / ios = 15.1(1)sy2
cisco / ios = 15.1(1)sy3
cisco / ios = 15.1(1)sy4
cisco / ios = 15.1(1)sy5
cisco / ios = 15.1(1)sy6
cisco / ios = 15.1(1)t
cisco / ios = 15.1(1)t1
cisco / ios = 15.1(1)t2
cisco / ios = 15.1(1)t3
cisco / ios = 15.1(1)t4
cisco / ios = 15.1(1)t5
cisco / ios = 15.1(1)xb
cisco / ios = 15.1(2)ey
cisco / ios = 15.1(2)ey1a
cisco / ios = 15.1(2)ey2
cisco / ios = 15.1(2)ey2a
cisco / ios = 15.1(2)ey3
cisco / ios = 15.1(2)ey4
cisco / ios = 15.1(2)gc
cisco / ios = 15.1(2)gc1
cisco / ios = 15.1(2)gc2
cisco / ios = 15.1(2)s
cisco / ios = 15.1(2)s1
cisco / ios = 15.1(2)s2
cisco / ios = 15.1(2)sg
cisco / ios = 15.1(2)sg1
cisco / ios = 15.1(2)sg2
cisco / ios = 15.1(2)sg3
cisco / ios = 15.1(2)sg4
cisco / ios = 15.1(2)sg5
cisco / ios = 15.1(2)sg6
cisco / ios = 15.1(2)sg7
cisco / ios = 15.1(2)sng
cisco / ios = 15.1(2)snh
cisco / ios = 15.1(2)sni
cisco / ios = 15.1(2)sni1
cisco / ios = 15.1(2)sy
cisco / ios = 15.1(2)sy1
cisco / ios = 15.1(2)sy2
cisco / ios = 15.1(2)sy3
cisco / ios = 15.1(2)sy4
cisco / ios = 15.1(2)sy4a
cisco / ios = 15.1(2)sy5
cisco / ios = 15.1(2)sy6
cisco / ios = 15.1(2)sy7
cisco / ios = 15.1(2)t
cisco / ios = 15.1(2)t0a
cisco / ios = 15.1(2)t1
cisco / ios = 15.1(2)t2
cisco / ios = 15.1(2)t2a
cisco / ios = 15.1(2)t3
cisco / ios = 15.1(2)t4
cisco / ios = 15.1(2)t5
cisco / ios = 15.1(3)mr
cisco / ios = 15.1(3)mra
cisco / ios = 15.1(3)mra1
cisco / ios = 15.1(3)mra2
cisco / ios = 15.1(3)mra3
cisco / ios = 15.1(3)mra4
cisco / ios = 15.1(3)s
cisco / ios = 15.1(3)s0a
cisco / ios = 15.1(3)s1
cisco / ios = 15.1(3)s2
cisco / ios = 15.1(3)s3
cisco / ios = 15.1(3)s4
cisco / ios = 15.1(3)s5
cisco / ios = 15.1(3)s5a
cisco / ios = 15.1(3)s6
cisco / ios = 15.1(3)svb1
cisco / ios = 15.1(3)svd
cisco / ios = 15.1(3)svd1
cisco / ios = 15.1(3)svd2
cisco / ios = 15.1(3)sve
cisco / ios = 15.1(3)svf
cisco / ios = 15.1(3)svf1
cisco / ios = 15.1(3)svf4a
cisco / ios = 15.1(3)t
cisco / ios = 15.1(3)t1
cisco / ios = 15.1(3)t2
cisco / ios = 15.1(3)t3
cisco / ios = 15.1(3)t4
cisco / ios = 15.1(4)gc
cisco / ios = 15.1(4)gc1
cisco / ios = 15.1(4)gc2
cisco / ios = 15.1(4)m
cisco / ios = 15.1(4)m1
cisco / ios = 15.1(4)m2
cisco / ios = 15.1(4)m3
cisco / ios = 15.1(4)m3a
cisco / ios = 15.1(4)m4
cisco / ios = 15.1(4)m5
cisco / ios = 15.1(4)m6
cisco / ios = 15.1(4)m7
cisco / ios = 15.1(4)m8
cisco / ios = 15.1(4)m9
cisco / ios = 15.1(4)m10
cisco / ios = 15.1(4)m12a
cisco / ios = 15.2(1)e
cisco / ios = 15.2(1)e1
cisco / ios = 15.2(1)e2
cisco / ios = 15.2(1)e3
cisco / ios = 15.2(1)ey
cisco / ios = 15.2(1)gc
cisco / ios = 15.2(1)gc1
cisco / ios = 15.2(1)gc2
cisco / ios = 15.2(1)s
cisco / ios = 15.2(1)s1
cisco / ios = 15.2(1)s2
cisco / ios = 15.2(1)sy
cisco / ios = 15.2(1)sy0a
cisco / ios = 15.2(1)sy1
cisco / ios = 15.2(1)sy1a
cisco / ios = 15.2(1)sy2
cisco / ios = 15.2(1)t
cisco / ios = 15.2(1)t1
cisco / ios = 15.2(1)t2
cisco / ios = 15.2(1)t3
cisco / ios = 15.2(1)t3a
cisco / ios = 15.2(1)t4
cisco / ios = 15.2(2)e
cisco / ios = 15.2(2)e1
cisco / ios = 15.2(2)e2
cisco / ios = 15.2(2)e4
cisco / ios = 15.2(2)eb
cisco / ios = 15.2(2)eb1
cisco / ios = 15.2(2)eb2
cisco / ios = 15.2(2)gc
cisco / ios = 15.2(2)ja
cisco / ios = 15.2(2)ja1
cisco / ios = 15.2(2)jax
cisco / ios = 15.2(2)jax1
cisco / ios = 15.2(2)jb
cisco / ios = 15.2(2)jb2
cisco / ios = 15.2(2)jb3
cisco / ios = 15.2(2)jb4
cisco / ios = 15.2(2)jb5
cisco / ios = 15.2(2)jn1
cisco / ios = 15.2(2)jn2
cisco / ios = 15.2(2)s
cisco / ios = 15.2(2)s0a
cisco / ios = 15.2(2)s0c
cisco / ios = 15.2(2)s1
cisco / ios = 15.2(2)s2
cisco / ios = 15.2(2)sng
cisco / ios = 15.2(2)snh1
cisco / ios = 15.2(2)sni
cisco / ios = 15.2(2)sy
cisco / ios = 15.2(2)sy1
cisco / ios = 15.2(2)t
cisco / ios = 15.2(2)t1
cisco / ios = 15.2(2)t2
cisco / ios = 15.2(2)t3
cisco / ios = 15.2(2)t4
cisco / ios = 15.2(2a)e1
cisco / ios = 15.2(3)e
cisco / ios = 15.2(3)e1
cisco / ios = 15.2(3)e2
cisco / ios = 15.2(3)e3
cisco / ios = 15.2(3)gc
cisco / ios = 15.2(3)gc1
cisco / ios = 15.2(3)t
cisco / ios = 15.2(3)t1
cisco / ios = 15.2(3)t2
cisco / ios = 15.2(3)t3
cisco / ios = 15.2(3)t4
cisco / ios = 15.2(3a)e
cisco / ios = 15.2(3m)e2
cisco / ios = 15.2(3m)e3
cisco / ios = 15.2(3m)e8
cisco / ios = 15.2(4)e
cisco / ios = 15.2(4)e1
cisco / ios = 15.2(4)gc
cisco / ios = 15.2(4)gc1
cisco / ios = 15.2(4)gc2
cisco / ios = 15.2(4)gc3
cisco / ios = 15.2(4)ja
cisco / ios = 15.2(4)ja1
cisco / ios = 15.2(4)jb
cisco / ios = 15.2(4)jb1
cisco / ios = 15.2(4)jb2
cisco / ios = 15.2(4)jb3
cisco / ios = 15.2(4)jb3a
cisco / ios = 15.2(4)jb3b
cisco / ios = 15.2(4)jb3h
cisco / ios = 15.2(4)jb3s
cisco / ios = 15.2(4)jb4
cisco / ios = 15.2(4)jb5
cisco / ios = 15.2(4)jb5h
cisco / ios = 15.2(4)jb5m
cisco / ios = 15.2(4)jb6
cisco / ios = 15.2(4)jb7
cisco / ios = 15.2(4)jb50
cisco / ios = 15.2(4)jn
cisco / ios = 15.2(4)m
cisco / ios = 15.2(4)m1
cisco / ios = 15.2(4)m2
cisco / ios = 15.2(4)m3
cisco / ios = 15.2(4)m4
cisco / ios = 15.2(4)m5
cisco / ios = 15.2(4)m6
cisco / ios = 15.2(4)m6a
cisco / ios = 15.2(4)m7
cisco / ios = 15.2(4)m8
cisco / ios = 15.2(4)m9
cisco / ios = 15.2(4)m10
cisco / ios = 15.2(4)m11
cisco / ios = 15.2(4)s
cisco / ios = 15.2(4)s1
cisco / ios = 15.2(4)s2
cisco / ios = 15.2(4)s3
cisco / ios = 15.2(4)s3a
cisco / ios = 15.2(4)s4
cisco / ios = 15.2(4)s4a
cisco / ios = 15.2(4)s5
cisco / ios = 15.2(4)s6
cisco / ios = 15.2(4)s7
cisco / ios = 15.2(4m)e1
cisco / ios = 15.3(1)s
cisco / ios = 15.3(1)s1
cisco / ios = 15.3(1)s2
cisco / ios = 15.3(1)sy
cisco / ios = 15.3(1)t
cisco / ios = 15.3(1)t1
cisco / ios = 15.3(1)t2
cisco / ios = 15.3(1)t3
cisco / ios = 15.3(1)t4
cisco / ios = 15.3(2)s
cisco / ios = 15.3(2)s0a
cisco / ios = 15.3(2)s1
cisco / ios = 15.3(2)s2
cisco / ios = 15.3(2)t
cisco / ios = 15.3(2)t1
cisco / ios = 15.3(2)t2
cisco / ios = 15.3(2)t3
cisco / ios = 15.3(2)t4
cisco / ios = 15.3(3)ja
cisco / ios = 15.3(3)ja1
cisco / ios = 15.3(3)ja1m
cisco / ios = 15.3(3)ja1n
cisco / ios = 15.3(3)ja4
cisco / ios = 15.3(3)ja5
cisco / ios = 15.3(3)ja6
cisco / ios = 15.3(3)ja7
cisco / ios = 15.3(3)ja8
cisco / ios = 15.3(3)ja9
cisco / ios = 15.3(3)ja77
cisco / ios = 15.3(3)jaa
cisco / ios = 15.3(3)jab
cisco / ios = 15.3(3)jax
cisco / ios = 15.3(3)jax1
cisco / ios = 15.3(3)jax2
cisco / ios = 15.3(3)jb
cisco / ios = 15.3(3)jb75
cisco / ios = 15.3(3)jbb
cisco / ios = 15.3(3)jbb1
cisco / ios = 15.3(3)jbb2
cisco / ios = 15.3(3)jbb4
cisco / ios = 15.3(3)jbb5
cisco / ios = 15.3(3)jbb6
cisco / ios = 15.3(3)jbb6a
cisco / ios = 15.3(3)jbb8
cisco / ios = 15.3(3)jbb50
cisco / ios = 15.3(3)jc
cisco / ios = 15.3(3)jn3
cisco / ios = 15.3(3)jn4
cisco / ios = 15.3(3)jn7
cisco / ios = 15.3(3)jn8
cisco / ios = 15.3(3)jnb
cisco / ios = 15.3(3)jnb1
cisco / ios = 15.3(3)jnb2
cisco / ios = 15.3(3)jnb3
cisco / ios = 15.3(3)jnc
cisco / ios = 15.3(3)jnc1
cisco / ios = 15.3(3)jnp
cisco / ios = 15.3(3)jnp1
cisco / ios = 15.3(3)m
cisco / ios = 15.3(3)m1
cisco / ios = 15.3(3)m2
cisco / ios = 15.3(3)m3
cisco / ios = 15.3(3)m4
cisco / ios = 15.3(3)m5
cisco / ios = 15.3(3)m6
cisco / ios = 15.3(3)m7
cisco / ios = 15.3(3)s
cisco / ios = 15.3(3)s1
cisco / ios = 15.3(3)s1a
cisco / ios = 15.3(3)s2
cisco / ios = 15.3(3)s3
cisco / ios = 15.3(3)s4
cisco / ios = 15.3(3)s5
cisco / ios = 15.3(3)s6
cisco / ios = 15.3(3)s7
cisco / ios = 15.4(1)cg
cisco / ios = 15.4(1)cg1
cisco / ios = 15.4(1)s
cisco / ios = 15.4(1)s1
cisco / ios = 15.4(1)s2
cisco / ios = 15.4(1)s3
cisco / ios = 15.4(1)s4
cisco / ios = 15.4(1)t
cisco / ios = 15.4(1)t1
cisco / ios = 15.4(1)t2
cisco / ios = 15.4(1)t3
cisco / ios = 15.4(1)t4
cisco / ios = 15.4(2)cg
cisco / ios = 15.4(2)s
cisco / ios = 15.4(2)s1
cisco / ios = 15.4(2)s2
cisco / ios = 15.4(2)s3
cisco / ios = 15.4(2)s4
cisco / ios = 15.4(2)t
cisco / ios = 15.4(2)t1
cisco / ios = 15.4(2)t2
cisco / ios = 15.4(2)t3
cisco / ios = 15.4(2)t4
cisco / ios = 15.4(3)m
cisco / ios = 15.4(3)m1
cisco / ios = 15.4(3)m2
cisco / ios = 15.4(3)m3
cisco / ios = 15.4(3)m4
cisco / ios = 15.4(3)m5
cisco / ios = 15.4(3)s
cisco / ios = 15.4(3)s1
cisco / ios = 15.4(3)s2
cisco / ios = 15.4(3)s3
cisco / ios = 15.4(3)s4
cisco / ios = 15.4(3)s5
cisco / ios = 15.5(1)s
cisco / ios = 15.5(1)s1
cisco / ios = 15.5(1)s2
cisco / ios = 15.5(1)s3
cisco / ios = 15.5(1)t
cisco / ios = 15.5(1)t1
cisco / ios = 15.5(1)t2
cisco / ios = 15.5(1)t3
cisco / ios = 15.5(1)t4
cisco / ios = 15.5(2)s
cisco / ios = 15.5(2)s1
cisco / ios = 15.5(2)s2
cisco / ios = 15.5(2)s3
cisco / ios = 15.5(2)t
cisco / ios = 15.5(2)t1
cisco / ios = 15.5(2)t2
cisco / ios = 15.5(2)t3
cisco / ios = 15.5(2)t4
cisco / ios = 15.5(3)m
cisco / ios = 15.5(3)m0a
cisco / ios = 15.5(3)m1
cisco / ios = 15.5(3)m2
cisco / ios = 15.5(3)s
cisco / ios = 15.5(3)s0a
cisco / ios = 15.5(3)s1
cisco / ios = 15.5(3)s1a
cisco / ios = 15.5(3)s2
cisco / ios = 15.5(3)sn
cisco / ios = 15.6(1)s
cisco / ios = 15.6(1)s1
cisco / ios = 15.6(1)t
cisco / ios = 15.6(1)t0a
cisco / ios = 15.6(1)t1
cisco / ios = 15.6(2)s
cisco / ios = 15.6(2)sn
cisco / ios_xe = 3.1.0s
cisco / ios_xe = 3.1.1s
cisco / ios_xe = 3.1.2s
cisco / ios_xe = 3.1.3as
cisco / ios_xe = 3.1.4as
cisco / ios_xe = 3.1.4s
cisco / ios_xe = 3.2.1s
cisco / ios_xe = 3.2.2s
cisco / ios_xe = 3.3.0s
cisco / ios_xe = 3.3.1s
cisco / ios_xe = 3.3.2s
cisco / ios_xe = 3.4.0as
cisco / ios_xe = 3.4.0s
cisco / ios_xe = 3.4.1s
cisco / ios_xe = 3.4.2s
cisco / ios_xe = 3.4.3s
cisco / ios_xe = 3.4.4s
cisco / ios_xe = 3.4.5s
cisco / ios_xe = 3.4.6s
cisco / ios_xe = 3.5.0e
cisco / ios_xe = 3.5.0s
cisco / ios_xe = 3.5.1e
cisco / ios_xe = 3.5.1s
cisco / ios_xe = 3.5.2e
cisco / ios_xe = 3.5.2s
cisco / ios_xe = 3.5.3e
cisco / ios_xe = 3.6.0e
cisco / ios_xe = 3.6.0s
cisco / ios_xe = 3.6.1e
cisco / ios_xe = 3.6.1s
cisco / ios_xe = 3.6.2ae
cisco / ios_xe = 3.6.2e
cisco / ios_xe = 3.6.2s
cisco / ios_xe = 3.6.3e
cisco / ios_xe = 3.6.4e
cisco / ios_xe = 3.7.0e
cisco / ios_xe = 3.7.0s
cisco / ios_xe = 3.7.1e
cisco / ios_xe = 3.7.1s
cisco / ios_xe = 3.7.2e
cisco / ios_xe = 3.7.2s
cisco / ios_xe = 3.7.2ts
cisco / ios_xe = 3.7.3e
cisco / ios_xe = 3.7.3s
cisco / ios_xe = 3.7.4as
cisco / ios_xe = 3.7.4s
cisco / ios_xe = 3.7.5s
cisco / ios_xe = 3.7.6s
cisco / ios_xe = 3.7.7s
cisco / ios_xe = 3.8.0e
cisco / ios_xe = 3.8.0s
cisco / ios_xe = 3.8.1e
cisco / ios_xe = 3.8.1s
cisco / ios_xe = 3.8.2s
cisco / ios_xe = 3.9.0as
cisco / ios_xe = 3.9.0s
cisco / ios_xe = 3.9.1as
cisco / ios_xe = 3.9.1s
cisco / ios_xe = 3.9.2s
cisco / ios_xe = 3.10.0s
cisco / ios_xe = 3.10.1s
cisco / ios_xe = 3.10.1xbs
cisco / ios_xe = 3.10.2s
cisco / ios_xe = 3.10.3s
cisco / ios_xe = 3.10.4s
cisco / ios_xe = 3.10.5s
cisco / ios_xe = 3.10.6s
cisco / ios_xe = 3.10.7s
cisco / ios_xe = 3.11.0s
cisco / ios_xe = 3.11.1s
cisco / ios_xe = 3.11.2s
cisco / ios_xe = 3.11.3s
cisco / ios_xe = 3.11.4s
cisco / ios_xe = 3.12.0as
cisco / ios_xe = 3.12.0s
cisco / ios_xe = 3.12.1s
cisco / ios_xe = 3.12.2s
cisco / ios_xe = 3.12.3s
cisco / ios_xe = 3.12.4s
cisco / ios_xe = 3.13.0as
cisco / ios_xe = 3.13.0s
cisco / ios_xe = 3.13.1s
cisco / ios_xe = 3.13.2as
cisco / ios_xe = 3.13.2s
cisco / ios_xe = 3.13.3s
cisco / ios_xe = 3.13.4s
cisco / ios_xe = 3.13.5s
cisco / ios_xe = 3.14.0s
cisco / ios_xe = 3.14.1s
cisco / ios_xe = 3.14.2s
cisco / ios_xe = 3.14.3s
cisco / ios_xe = 3.15.0s
cisco / ios_xe = 3.15.1cs
cisco / ios_xe = 3.15.1s
cisco / ios_xe = 3.15.2s
cisco / ios_xe = 3.15.3s
cisco / ios_xe = 3.16.0cs
cisco / ios_xe = 3.16.0s
cisco / ios_xe = 3.16.1as
cisco / ios_xe = 3.16.1s
cisco / ios_xe = 3.16.2as
cisco / ios_xe = 3.16.2s
cisco / ios_xe = 3.17.0s
cisco / ios_xe = 3.17.1s
cisco / ios_xe = 3.18.0s
cisco / ios_xe_16.1 = 16.1.2
cisco / ios_xe_3.3sg = 3.3.0sg
cisco / ios_xe_3.3sg = 3.3.1sg
cisco / ios_xe_3.3sg = 3.3.2sg
cisco / ios_xe_3.3xo = 3.3.0xo
cisco / ios_xe_3.3xo = 3.3.1xo
cisco / ios_xe_3.4sg = 3.4.0sg
cisco / ios_xe_3.4sg = 3.4.1sg
cisco / ios_xe_3.4sg = 3.4.2sg
cisco / ios_xe_3.4sg = 3.4.3sg
cisco / ios_xe_3.4sg = 3.4.4sg
cisco / ios_xe_3.4sg = 3.4.5sg
cisco / ios_xe_3.4sg = 3.4.6sg
cisco / ios_xe_3.4sg = 3.4.7sg

Frequently Asked Questions

A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.

CVSS (Common Vulnerability Scoring System) estimates technical severity, but it doesn't automatically equal business risk. Prioritize using context like internet exposure, affected asset criticality, known exploitation (proof-of-concept or in-the-wild), and whether compensating controls exist. A "Medium" CVSS on an exposed, production system can be more urgent than a "Critical" on an isolated, non-production host.

A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. In practice, risk increases sharply when exploitation becomes reliable or widespread.

Recurring findings usually come from incomplete Asset Discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host. Unknown or unmanaged assets (often called Shadow IT) are a common reason the same issues resurface.

Use a simple, repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress using consistent metrics so remediation is steady, not reactive.

SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.