Vulnerability Database

393,392

Total vulnerabilities in the database

CVE-2019-1746 — cisco / ios

Improper Input Validation

A vulnerability in the Cluster Management Protocol (CMP) processing code in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to trigger a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient input validation when processing CMP management packets. An attacker could exploit this vulnerability by sending malicious CMP management packets to an affected device. A successful exploit could cause the switch to crash, resulting in a DoS condition. The switch will reload automatically.

  • Published: Mar 28, 2019
  • Updated: Oct 3, 2026
  • CVE: CVE-2019-1746
  • Severity: High
  • Exploit:
  • CISA KEV:

CVSS v3:

  • Severity: High
  • Score: 7.4
  • AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

CVSS v2:

  • Severity: Medium
  • Score: 6.1
  • AV:A/AC:L/Au:N/C:N/I:N/A:C

CWEs:

Software Affected versions
cisco / ios = 12.1(6)ea1
cisco / ios = 12.1(6)ea1a
cisco / ios = 12.1(6)ea2
cisco / ios = 12.1(6)ea2a
cisco / ios = 12.1(6)ea2b
cisco / ios = 12.1(6)ea2c
cisco / ios = 12.1(8)ea1b
cisco / ios = 12.1(8)ea1c
cisco / ios = 12.1(9)ea1
cisco / ios = 12.1(9)ea1a
cisco / ios = 12.1(9)ea1c
cisco / ios = 12.1(9)ea1d
cisco / ios = 12.1(9)ex
cisco / ios = 12.1(11)ea1
cisco / ios = 12.1(11)ea1a
cisco / ios = 12.1(12c)ea1
cisco / ios = 12.1(12c)ea1a
cisco / ios = 12.1(13)ea1
cisco / ios = 12.1(13)ea1a
cisco / ios = 12.1(13)ea1b
cisco / ios = 12.1(13)ea1c
cisco / ios = 12.1(14)az
cisco / ios = 12.1(14)ea1
cisco / ios = 12.1(14)ea1a
cisco / ios = 12.1(14)ea1b
cisco / ios = 12.1(19)ea1
cisco / ios = 12.1(19)ea1a
cisco / ios = 12.1(19)ea1b
cisco / ios = 12.1(19)ea1c
cisco / ios = 12.1(19)ea1d
cisco / ios = 12.1(20)ea1
cisco / ios = 12.1(20)ea1a
cisco / ios = 12.1(20)ea1b
cisco / ios = 12.1(20)ea2
cisco / ios = 12.1(22)ea1
cisco / ios = 12.1(22)ea1a
cisco / ios = 12.1(22)ea1b
cisco / ios = 12.1(22)ea2
cisco / ios = 12.1(22)ea3
cisco / ios = 12.1(22)ea4
cisco / ios = 12.1(22)ea4a
cisco / ios = 12.1(22)ea5
cisco / ios = 12.1(22)ea5a
cisco / ios = 12.1(22)ea6
cisco / ios = 12.1(22)ea6a
cisco / ios = 12.1(22)ea7
cisco / ios = 12.1(22)ea8
cisco / ios = 12.1(22)ea8a
cisco / ios = 12.1(22)ea9
cisco / ios = 12.1(22)ea10
cisco / ios = 12.1(22)ea10a
cisco / ios = 12.1(22)ea10b
cisco / ios = 12.1(22)ea11
cisco / ios = 12.1(22)ea12
cisco / ios = 12.1(22)ea13
cisco / ios = 12.1(22)ea14
cisco / ios = 12.2(6)i1
cisco / ios = 12.2(14)sz
cisco / ios = 12.2(14)sz1
cisco / ios = 12.2(14)sz2
cisco / ios = 12.2(14)sz3
cisco / ios = 12.2(14)sz4
cisco / ios = 12.2(14)sz5
cisco / ios = 12.2(14)sz6
cisco / ios = 12.2(18)s
cisco / ios = 12.2(18)s1
cisco / ios = 12.2(18)s2
cisco / ios = 12.2(18)s3
cisco / ios = 12.2(18)s4
cisco / ios = 12.2(18)se
cisco / ios = 12.2(18)se1
cisco / ios = 12.2(20)eu
cisco / ios = 12.2(20)eu1
cisco / ios = 12.2(20)eu2
cisco / ios = 12.2(20)ewa
cisco / ios = 12.2(20)ewa1
cisco / ios = 12.2(20)ewa2
cisco / ios = 12.2(20)ewa3
cisco / ios = 12.2(20)ewa4
cisco / ios = 12.2(20)ex
cisco / ios = 12.2(20)s
cisco / ios = 12.2(20)s1
cisco / ios = 12.2(20)s2
cisco / ios = 12.2(20)s2a
cisco / ios = 12.2(20)s3
cisco / ios = 12.2(20)s4
cisco / ios = 12.2(20)s4a
cisco / ios = 12.2(20)s5
cisco / ios = 12.2(20)s6
cisco / ios = 12.2(20)se
cisco / ios = 12.2(20)se1
cisco / ios = 12.2(20)se2
cisco / ios = 12.2(20)se3
cisco / ios = 12.2(20)se4
cisco / ios = 12.2(22)s
cisco / ios = 12.2(25)ew
cisco / ios = 12.2(25)ewa
cisco / ios = 12.2(25)ewa1
cisco / ios = 12.2(25)ewa2
cisco / ios = 12.2(25)ewa3
cisco / ios = 12.2(25)ewa4
cisco / ios = 12.2(25)ewa5
cisco / ios = 12.2(25)ewa6
cisco / ios = 12.2(25)ewa7
cisco / ios = 12.2(25)ewa8
cisco / ios = 12.2(25)ewa9
cisco / ios = 12.2(25)ewa10
cisco / ios = 12.2(25)ewa11
cisco / ios = 12.2(25)ewa12
cisco / ios = 12.2(25)ewa13
cisco / ios = 12.2(25)ewa14
cisco / ios = 12.2(25)ey
cisco / ios = 12.2(25)ey1
cisco / ios = 12.2(25)ey2
cisco / ios = 12.2(25)ey3
cisco / ios = 12.2(25)ey4
cisco / ios = 12.2(25)ez
cisco / ios = 12.2(25)ez1
cisco / ios = 12.2(25)fx
cisco / ios = 12.2(25)fy
cisco / ios = 12.2(25)fz
cisco / ios = 12.2(25)s
cisco / ios = 12.2(25)s1
cisco / ios = 12.2(25)s2
cisco / ios = 12.2(25)se
cisco / ios = 12.2(25)se2
cisco / ios = 12.2(25)se3
cisco / ios = 12.2(25)sea
cisco / ios = 12.2(25)seb
cisco / ios = 12.2(25)seb1
cisco / ios = 12.2(25)seb2
cisco / ios = 12.2(25)seb3
cisco / ios = 12.2(25)seb4
cisco / ios = 12.2(25)sec
cisco / ios = 12.2(25)sec1
cisco / ios = 12.2(25)sec2
cisco / ios = 12.2(25)sed
cisco / ios = 12.2(25)sed1
cisco / ios = 12.2(25)see
cisco / ios = 12.2(25)see1
cisco / ios = 12.2(25)see2
cisco / ios = 12.2(25)see3
cisco / ios = 12.2(25)see4
cisco / ios = 12.2(25)sef
cisco / ios = 12.2(25)sef1
cisco / ios = 12.2(25)sef2
cisco / ios = 12.2(25)sef3
cisco / ios = 12.2(25)seg
cisco / ios = 12.2(25)seg1
cisco / ios = 12.2(25)seg3
cisco / ios = 12.2(25)sg
cisco / ios = 12.2(25)sg1
cisco / ios = 12.2(25)sg2
cisco / ios = 12.2(25)sg3
cisco / ios = 12.2(25)sg4
cisco / ios = 12.2(27)sbk9
cisco / ios = 12.2(31)sg
cisco / ios = 12.2(31)sg1
cisco / ios = 12.2(31)sg2
cisco / ios = 12.2(31)sg3
cisco / ios = 12.2(31)sga
cisco / ios = 12.2(31)sga1
cisco / ios = 12.2(31)sga2
cisco / ios = 12.2(31)sga3
cisco / ios = 12.2(31)sga4
cisco / ios = 12.2(31)sga5
cisco / ios = 12.2(31)sga6
cisco / ios = 12.2(31)sga7
cisco / ios = 12.2(31)sga8
cisco / ios = 12.2(31)sga9
cisco / ios = 12.2(31)sga10
cisco / ios = 12.2(31)sga11
cisco / ios = 12.2(35)se
cisco / ios = 12.2(35)se1
cisco / ios = 12.2(35)se2
cisco / ios = 12.2(35)se3
cisco / ios = 12.2(35)se5
cisco / ios = 12.2(37)ey
cisco / ios = 12.2(37)se
cisco / ios = 12.2(37)se1
cisco / ios = 12.2(37)sg
cisco / ios = 12.2(37)sg1
cisco / ios = 12.2(40)ex
cisco / ios = 12.2(40)ex1
cisco / ios = 12.2(40)ex2
cisco / ios = 12.2(40)ex3
cisco / ios = 12.2(40)se
cisco / ios = 12.2(40)se1
cisco / ios = 12.2(40)se2
cisco / ios = 12.2(40)sg
cisco / ios = 12.2(40)xo
cisco / ios = 12.2(44)ex
cisco / ios = 12.2(44)ex1
cisco / ios = 12.2(44)se
cisco / ios = 12.2(44)se1
cisco / ios = 12.2(44)se2
cisco / ios = 12.2(44)se3
cisco / ios = 12.2(44)se4
cisco / ios = 12.2(44)se5
cisco / ios = 12.2(44)se6
cisco / ios = 12.2(44)sg
cisco / ios = 12.2(44)sg1
cisco / ios = 12.2(44)sq
cisco / ios = 12.2(44)sq2
cisco / ios = 12.2(46)ex
cisco / ios = 12.2(46)ey
cisco / ios = 12.2(46)se
cisco / ios = 12.2(46)se1
cisco / ios = 12.2(46)se2
cisco / ios = 12.2(46)sg
cisco / ios = 12.2(46)sg1
cisco / ios = 12.2(50)se
cisco / ios = 12.2(50)se1
cisco / ios = 12.2(50)se2
cisco / ios = 12.2(50)se3
cisco / ios = 12.2(50)se4
cisco / ios = 12.2(50)se5
cisco / ios = 12.2(50)sg
cisco / ios = 12.2(50)sg1
cisco / ios = 12.2(50)sg2
cisco / ios = 12.2(50)sg3
cisco / ios = 12.2(50)sg4
cisco / ios = 12.2(50)sg5
cisco / ios = 12.2(50)sg6
cisco / ios = 12.2(50)sg7
cisco / ios = 12.2(50)sg8
cisco / ios = 12.2(50)sq
cisco / ios = 12.2(50)sq1
cisco / ios = 12.2(50)sq2
cisco / ios = 12.2(50)sq3
cisco / ios = 12.2(50)sq4
cisco / ios = 12.2(50)sq5
cisco / ios = 12.2(50)sq6
cisco / ios = 12.2(50)sq7
cisco / ios = 12.2(52)ex
cisco / ios = 12.2(52)ex1
cisco / ios = 12.2(52)se
cisco / ios = 12.2(52)se1
cisco / ios = 12.2(52)sg
cisco / ios = 12.2(52)xo
cisco / ios = 12.2(53)ey
cisco / ios = 12.2(53)ez
cisco / ios = 12.2(53)se
cisco / ios = 12.2(53)se1
cisco / ios = 12.2(53)se2
cisco / ios = 12.2(53)sg1
cisco / ios = 12.2(53)sg2
cisco / ios = 12.2(53)sg3
cisco / ios = 12.2(53)sg4
cisco / ios = 12.2(53)sg5
cisco / ios = 12.2(53)sg6
cisco / ios = 12.2(53)sg7
cisco / ios = 12.2(53)sg8
cisco / ios = 12.2(53)sg9
cisco / ios = 12.2(53)sg10
cisco / ios = 12.2(53)sg11
cisco / ios = 12.2(54)se
cisco / ios = 12.2(54)sg
cisco / ios = 12.2(54)sg1
cisco / ios = 12.2(54)wo
cisco / ios = 12.2(54)xo
cisco / ios = 12.2(55)ex
cisco / ios = 12.2(55)ex1
cisco / ios = 12.2(55)ex2
cisco / ios = 12.2(55)ex3
cisco / ios = 12.2(55)ey
cisco / ios = 12.2(55)ez
cisco / ios = 12.2(55)se
cisco / ios = 12.2(55)se1
cisco / ios = 12.2(55)se2
cisco / ios = 12.2(55)se3
cisco / ios = 12.2(55)se4
cisco / ios = 12.2(55)se5
cisco / ios = 12.2(55)se6
cisco / ios = 12.2(55)se7
cisco / ios = 12.2(55)se8
cisco / ios = 12.2(55)se9
cisco / ios = 12.2(55)se10
cisco / ios = 12.2(55)se11
cisco / ios = 12.2(55)se12
cisco / ios = 12.2(55)se13
cisco / ios = 12.2(58)ex
cisco / ios = 12.2(58)ez
cisco / ios = 12.2(58)se
cisco / ios = 12.2(58)se1
cisco / ios = 12.2(58)se2
cisco / ios = 12.2(60)ez4
cisco / ios = 12.2(60)ez5
cisco / ios = 12.4(25e)jaz1
cisco / ios = 15.0(1)ey
cisco / ios = 15.0(1)ey1
cisco / ios = 15.0(1)ey2
cisco / ios = 15.0(1)se
cisco / ios = 15.0(1)se1
cisco / ios = 15.0(1)se2
cisco / ios = 15.0(1)se3
cisco / ios = 15.0(1)xo
cisco / ios = 15.0(1)xo1
cisco / ios = 15.0(2)ej
cisco / ios = 15.0(2)ej1
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)ex6
cisco / ios = 15.0(2)ex7
cisco / ios = 15.0(2)ex8
cisco / ios = 15.0(2)ex10
cisco / ios = 15.0(2)ex11
cisco / ios = 15.0(2)ex12
cisco / ios = 15.0(2)ex13
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)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)se8
cisco / ios = 15.0(2)se9
cisco / ios = 15.0(2)se10
cisco / ios = 15.0(2)se10a
cisco / ios = 15.0(2)se11
cisco / ios = 15.0(2)se12
cisco / ios = 15.0(2)se13
cisco / ios = 15.0(2)sg
cisco / ios = 15.0(2)sg1
cisco / ios = 15.0(2)sg2
cisco / ios = 15.0(2)sg3
cisco / ios = 15.0(2)sg4
cisco / ios = 15.0(2)sg5
cisco / ios = 15.0(2)sg6
cisco / ios = 15.0(2)sg7
cisco / ios = 15.0(2)sg8
cisco / ios = 15.0(2)sg9
cisco / ios = 15.0(2)sg10
cisco / ios = 15.0(2)sg11
cisco / ios = 15.0(2)sqd
cisco / ios = 15.0(2)sqd1
cisco / ios = 15.0(2)sqd2
cisco / ios = 15.0(2)sqd3
cisco / ios = 15.0(2)sqd4
cisco / ios = 15.0(2)sqd5
cisco / ios = 15.0(2)sqd6
cisco / ios = 15.0(2)sqd7
cisco / ios = 15.0(2)sqd8
cisco / ios = 15.0(2)xo
cisco / ios = 15.0(2a)ex5
cisco / ios = 15.0(2a)se9
cisco / ios = 15.1(1)sg
cisco / ios = 15.1(1)sg1
cisco / ios = 15.1(1)sg2
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)sg8
cisco / ios = 15.1(2)sg8a
cisco / ios = 15.1(2)sy15
cisco / ios = 15.1(3)mra3
cisco / ios = 15.1(3)svk4b
cisco / ios = 15.1(3)svk4c
cisco / ios = 15.1(3)svo2
cisco / ios = 15.1(3)svp1
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(2)e
cisco / ios = 15.2(2)e1
cisco / ios = 15.2(2)e2
cisco / ios = 15.2(2)e3
cisco / ios = 15.2(2)e4
cisco / ios = 15.2(2)e5
cisco / ios = 15.2(2)e5a
cisco / ios = 15.2(2)e5b
cisco / ios = 15.2(2)e6
cisco / ios = 15.2(2)e7
cisco / ios = 15.2(2)e7b
cisco / ios = 15.2(2)e8
cisco / ios = 15.2(2)e9
cisco / ios = 15.2(2)e9a
cisco / ios = 15.2(2)e10
cisco / ios = 15.2(2)ea
cisco / ios = 15.2(2)ea1
cisco / ios = 15.2(2)ea2
cisco / ios = 15.2(2)ea3
cisco / ios = 15.2(2)eb
cisco / ios = 15.2(2)eb1
cisco / ios = 15.2(2)eb2
cisco / ios = 15.2(2)sc1
cisco / ios = 15.2(2)sc3
cisco / ios = 15.2(2)sc4
cisco / ios = 15.2(2a)e1
cisco / ios = 15.2(2a)e2
cisco / ios = 15.2(2b)e
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)e4
cisco / ios = 15.2(3)e5
cisco / ios = 15.2(3)ea
cisco / ios = 15.2(3)ea1
cisco / ios = 15.2(3a)e
cisco / ios = 15.2(3m)e2
cisco / ios = 15.2(3m)e7
cisco / ios = 15.2(3m)e8
cisco / ios = 15.2(4)e
cisco / ios = 15.2(4)e1
cisco / ios = 15.2(4)e2
cisco / ios = 15.2(4)e3
cisco / ios = 15.2(4)e4
cisco / ios = 15.2(4)e5
cisco / ios = 15.2(4)e5a
cisco / ios = 15.2(4)e6
cisco / ios = 15.2(4)e7
cisco / ios = 15.2(4)ea
cisco / ios = 15.2(4)ea1
cisco / ios = 15.2(4)ea2
cisco / ios = 15.2(4)ea3
cisco / ios = 15.2(4)ea4
cisco / ios = 15.2(4)ea5
cisco / ios = 15.2(4)ea6
cisco / ios = 15.2(4)ea7
cisco / ios = 15.2(4)ea8
cisco / ios = 15.2(4)ea9
cisco / ios = 15.2(4)ec1
cisco / ios = 15.2(4)ec2
cisco / ios = 15.2(4)jaz1
cisco / ios = 15.2(4)jn1
cisco / ios = 15.2(4a)ea5
cisco / ios = 15.2(4m)e1
cisco / ios = 15.2(4m)e2
cisco / ios = 15.2(4m)e3
cisco / ios = 15.2(4n)e2
cisco / ios = 15.2(4o)e2
cisco / ios = 15.2(4o)e3
cisco / ios = 15.2(4p)e1
cisco / ios = 15.2(4q)e1
cisco / ios = 15.2(4s)e1
cisco / ios = 15.2(4s)e2
cisco / ios = 15.2(5)e
cisco / ios = 15.2(5)e1
cisco / ios = 15.2(5)e2
cisco / ios = 15.2(5)e2b
cisco / ios = 15.2(5)e2c
cisco / ios = 15.2(5)ea
cisco / ios = 15.2(5)ex
cisco / ios = 15.2(5a)e
cisco / ios = 15.2(5a)e1
cisco / ios = 15.2(5b)e
cisco / ios = 15.2(5c)e
cisco / ios = 15.2(6)e
cisco / ios = 15.2(6)e0a
cisco / ios = 15.2(6)e0c
cisco / ios = 15.2(6)e1
cisco / ios = 15.2(6)e1a
cisco / ios = 15.2(6)e1s
cisco / ios = 15.5(1)sy4
cisco / ios = 15.5(3)s10
cisco / ios_xe = 3.2.0sg
cisco / ios_xe = 3.2.1sg
cisco / ios_xe = 3.2.2sg
cisco / ios_xe = 3.2.3sg
cisco / ios_xe = 3.2.4sg
cisco / ios_xe = 3.2.5sg
cisco / ios_xe = 3.2.6sg
cisco / ios_xe = 3.2.7sg
cisco / ios_xe = 3.2.8sg
cisco / ios_xe = 3.2.9sg
cisco / ios_xe = 3.2.10sg
cisco / ios_xe = 3.2.11sg
cisco / ios_xe = 3.3.0sg
cisco / ios_xe = 3.3.0sq
cisco / ios_xe = 3.3.0xo
cisco / ios_xe = 3.3.1sg
cisco / ios_xe = 3.3.1sq
cisco / ios_xe = 3.3.1xo
cisco / ios_xe = 3.3.2sg
cisco / ios_xe = 3.3.2xo
cisco / ios_xe = 3.4.0sg
cisco / ios_xe = 3.4.0sq
cisco / ios_xe = 3.4.1sg
cisco / ios_xe = 3.4.1sq
cisco / ios_xe = 3.4.2sg
cisco / ios_xe = 3.4.3sg
cisco / ios_xe = 3.4.4sg
cisco / ios_xe = 3.4.5sg
cisco / ios_xe = 3.4.6sg
cisco / ios_xe = 3.4.7sg
cisco / ios_xe = 3.4.8sg
cisco / ios_xe = 3.5.0e
cisco / ios_xe = 3.5.0sq
cisco / ios_xe = 3.5.1e
cisco / ios_xe = 3.5.1sq
cisco / ios_xe = 3.5.2e
cisco / ios_xe = 3.5.2sq
cisco / ios_xe = 3.5.3e
cisco / ios_xe = 3.5.3sq
cisco / ios_xe = 3.5.4sq
cisco / ios_xe = 3.5.5sq
cisco / ios_xe = 3.5.6sq
cisco / ios_xe = 3.5.7sq
cisco / ios_xe = 3.5.8sq
cisco / ios_xe = 3.6.0ae
cisco / ios_xe = 3.6.0be
cisco / ios_xe = 3.6.0e
cisco / ios_xe = 3.6.1e
cisco / ios_xe = 3.6.2ae
cisco / ios_xe = 3.6.2e
cisco / ios_xe = 3.6.3e
cisco / ios_xe = 3.6.4e
cisco / ios_xe = 3.6.5ae
cisco / ios_xe = 3.6.5be
cisco / ios_xe = 3.6.5e
cisco / ios_xe = 3.6.6e
cisco / ios_xe = 3.6.7ae
cisco / ios_xe = 3.6.7be
cisco / ios_xe = 3.6.7e
cisco / ios_xe = 3.6.8e
cisco / ios_xe = 3.6.9e
cisco / ios_xe = 3.6.10e
cisco / ios_xe = 3.7.0e
cisco / ios_xe = 3.7.1e
cisco / ios_xe = 3.7.2e
cisco / ios_xe = 3.7.3e
cisco / ios_xe = 3.7.4e
cisco / ios_xe = 3.7.5e
cisco / ios_xe = 3.8.0e
cisco / ios_xe = 3.8.1e
cisco / ios_xe = 3.8.2e
cisco / ios_xe = 3.8.3e
cisco / ios_xe = 3.8.4e
cisco / ios_xe = 3.8.5ae
cisco / ios_xe = 3.8.5e
cisco / ios_xe = 3.8.6e
cisco / ios_xe = 3.8.7e
cisco / ios_xe = 3.9.0e
cisco / ios_xe = 3.9.1e
cisco / ios_xe = 3.9.2be
cisco / ios_xe = 3.9.2e
cisco / ios_xe = 3.10.0ce
cisco / ios_xe = 3.10.0e
cisco / ios_xe = 3.10.1ae
cisco / ios_xe = 3.10.1e
cisco / ios_xe = 3.10.1se
cisco / ios_xe = 3.10.4s
cisco / ios_xe = 3.12.0as
cisco / ios_xe = 3.16.0bs
cisco / ios_xe = 3.16.1s
cisco / ios_xe = 3.16.10s
cisco / ios_xe = 16.9.2h
cisco / ios_xe = 16.12.1

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.