Vulnerability Database

383,304

Total vulnerabilities in the database

CVE-2020-3217 — cisco / ios_xr

Improper Input Validation

A vulnerability in the Topology Discovery Service of Cisco One Platform Kit (onePK) in Cisco IOS Software, Cisco IOS XE Software, Cisco IOS XR Software, and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to execute arbitrary code or cause a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient length restrictions when the onePK Topology Discovery Service parses Cisco Discovery Protocol messages. An attacker could exploit this vulnerability by sending a malicious Cisco Discovery Protocol message to an affected device. An exploit could allow the attacker to cause a stack overflow, which could allow the attacker to execute arbitrary code with administrative privileges, or to cause a process crash, which could result in a reload of the device and cause a DoS condition.

  • Published: Jun 3, 2020
  • Updated: Sep 13, 2026
  • CVE: CVE-2020-3217
  • Severity: High
  • Exploit:
  • CISA KEV:

CVSS v3:

  • Severity: High
  • Score: 8.8
  • AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2:

  • Severity: High
  • Score: 8.3
  • AV:A/AC:L/Au:N/C:C/I:C/A:C

CWEs:

Software Affected versions
cisco / ios_xr All versions
cisco / ios = 12.2(6)i1
cisco / ios = 12.4(25e)jao7
cisco / ios = 15.0(2)sg11a
cisco / ios = 15.1(3)svr1
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)sy3
cisco / ios = 15.2(1)sy4
cisco / ios = 15.2(1)sy5
cisco / ios = 15.2(1)sy6
cisco / ios = 15.2(1)sy7
cisco / ios = 15.2(1)sy8
cisco / ios = 15.2(2)sy
cisco / ios = 15.2(2)sy1
cisco / ios = 15.2(2)sy2
cisco / ios = 15.2(2)sy3
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(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)e8
cisco / ios = 15.2(4)e9
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(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(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 = 15.2(6)e2
cisco / ios = 15.2(6)e2a
cisco / ios = 15.2(6)e2b
cisco / ios = 15.2(6)e3
cisco / ios = 15.2(6)eb
cisco / ios = 15.2(7)e
cisco / ios = 15.2(7)e0a
cisco / ios = 15.2(7)e0b
cisco / ios = 15.2(7)e0s
cisco / ios = 15.2(7a)e0b
cisco / ios = 15.3(0)sy
cisco / ios = 15.3(1)sy
cisco / ios = 15.3(1)sy1
cisco / ios = 15.3(1)sy2
cisco / ios = 15.3(3)jaa1
cisco / ios = 15.3(3)jpj
cisco / ios = 15.4(1)sy
cisco / ios = 15.4(1)sy1
cisco / ios = 15.4(1)sy2
cisco / ios = 15.4(1)sy3
cisco / ios = 15.4(1)sy4
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)sn
cisco / ios = 15.4(2)sn1
cisco / ios = 15.4(2)t4
cisco / ios = 15.4(3)m4
cisco / ios = 15.4(3)m5
cisco / ios = 15.4(3)m6
cisco / ios = 15.4(3)m6a
cisco / ios = 15.4(3)m7
cisco / ios = 15.4(3)m7a
cisco / ios = 15.4(3)m8
cisco / ios = 15.4(3)m9
cisco / ios = 15.4(3)m10
cisco / ios = 15.4(3)s
cisco / ios = 15.4(3)s0d
cisco / ios = 15.4(3)s0e
cisco / ios = 15.4(3)s0f
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 = 15.4(3)s6
cisco / ios = 15.4(3)s6a
cisco / ios = 15.4(3)s7
cisco / ios = 15.4(3)s8
cisco / ios = 15.4(3)s9
cisco / ios = 15.4(3)s10
cisco / ios = 15.4(3)sn1
cisco / ios = 15.4(3)sn1a
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)s4
cisco / ios = 15.5(1)sn
cisco / ios = 15.5(1)sn1
cisco / ios = 15.5(1)sy
cisco / ios = 15.5(1)sy1
cisco / ios = 15.5(1)sy2
cisco / ios = 15.5(1)sy3
cisco / ios = 15.5(1)sy4
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)s4
cisco / ios = 15.5(2)sn
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)m2a
cisco / ios = 15.5(3)m3
cisco / ios = 15.5(3)m4
cisco / ios = 15.5(3)m4a
cisco / ios = 15.5(3)m4b
cisco / ios = 15.5(3)m4c
cisco / ios = 15.5(3)m5
cisco / ios = 15.5(3)m6
cisco / ios = 15.5(3)m6a
cisco / ios = 15.5(3)m7
cisco / ios = 15.5(3)m8
cisco / ios = 15.5(3)m9
cisco / ios = 15.5(3)m10
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)s3
cisco / ios = 15.5(3)s4
cisco / ios = 15.5(3)s5
cisco / ios = 15.5(3)s6
cisco / ios = 15.5(3)s6a
cisco / ios = 15.5(3)s6b
cisco / ios = 15.5(3)s7
cisco / ios = 15.5(3)s8
cisco / ios = 15.5(3)s9
cisco / ios = 15.5(3)s9a
cisco / ios = 15.5(3)s10
cisco / ios = 15.5(3)sn
cisco / ios = 15.5(3)sn0a
cisco / ios = 15.6(1)s
cisco / ios = 15.6(1)s1
cisco / ios = 15.6(1)s2
cisco / ios = 15.6(1)s3
cisco / ios = 15.6(1)s4
cisco / ios = 15.6(1)sn
cisco / ios = 15.6(1)sn1
cisco / ios = 15.6(1)sn2
cisco / ios = 15.6(1)sn3
cisco / ios = 15.6(1)t
cisco / ios = 15.6(1)t0a
cisco / ios = 15.6(1)t1
cisco / ios = 15.6(1)t2
cisco / ios = 15.6(1)t3
cisco / ios = 15.6(2)s
cisco / ios = 15.6(2)s1
cisco / ios = 15.6(2)s2
cisco / ios = 15.6(2)s3
cisco / ios = 15.6(2)s4
cisco / ios = 15.6(2)sn
cisco / ios = 15.6(2)sp
cisco / ios = 15.6(2)sp1
cisco / ios = 15.6(2)sp2
cisco / ios = 15.6(2)sp3
cisco / ios = 15.6(2)sp4
cisco / ios = 15.6(2)sp5
cisco / ios = 15.6(2)sp6
cisco / ios = 15.6(2)sp7
cisco / ios = 15.6(2)t
cisco / ios = 15.6(2)t0a
cisco / ios = 15.6(2)t1
cisco / ios = 15.6(2)t2
cisco / ios = 15.6(2)t3
cisco / ios = 15.6(3)m
cisco / ios = 15.6(3)m0a
cisco / ios = 15.6(3)m1
cisco / ios = 15.6(3)m1a
cisco / ios = 15.6(3)m1b
cisco / ios = 15.6(3)m2
cisco / ios = 15.6(3)m2a
cisco / ios = 15.6(3)m3
cisco / ios = 15.6(3)m3a
cisco / ios = 15.6(3)m4
cisco / ios = 15.6(3)m5
cisco / ios = 15.6(3)m6
cisco / ios = 15.6(3)m6a
cisco / ios = 15.6(3)m6b
cisco / ios = 15.6(3)m7
cisco / ios = 15.6(3)sn
cisco / ios = 15.6(4)sn
cisco / ios = 15.6(5)sn
cisco / ios = 15.6(6)sn
cisco / ios = 15.6(7)sn
cisco / ios = 15.6(7)sn1
cisco / ios = 15.6(7)sn2
cisco / ios = 15.7(3)m
cisco / ios = 15.7(3)m0a
cisco / ios = 15.7(3)m1
cisco / ios = 15.7(3)m2
cisco / ios = 15.7(3)m3
cisco / ios = 15.7(3)m4
cisco / ios = 15.7(3)m4a
cisco / ios = 15.7(3)m4b
cisco / ios = 15.7(3)m5
cisco / ios = 15.8(3)m
cisco / ios = 15.8(3)m0a
cisco / ios = 15.8(3)m0b
cisco / ios = 15.8(3)m1
cisco / ios = 15.8(3)m1a
cisco / ios = 15.8(3)m2
cisco / ios = 15.8(3)m2a
cisco / ios = 15.8(3)m3
cisco / ios = 15.8(3)m3a
cisco / ios = 15.8(3)m3b
cisco / ios = 15.9(3)m
cisco / ios = 15.9(3)m0a
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 = 3.8.8e
cisco / ios_xe = 3.8.9e
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 = 3.10.2e
cisco / ios_xe = 3.10.3e
cisco / ios_xe = 3.11.0e
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 = 3.13.5as
cisco / ios_xe = 3.13.5s
cisco / ios_xe = 3.13.6as
cisco / ios_xe = 3.13.6bs
cisco / ios_xe = 3.13.6s
cisco / ios_xe = 3.13.7as
cisco / ios_xe = 3.13.7s
cisco / ios_xe = 3.13.8s
cisco / ios_xe = 3.13.9s
cisco / ios_xe = 3.13.10s
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 = 3.14.4s
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 = 3.15.4s
cisco / ios_xe = 3.16.0as
cisco / ios_xe = 3.16.0bs
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 = 3.16.2bs
cisco / ios_xe = 3.16.2s
cisco / ios_xe = 3.16.3as
cisco / ios_xe = 3.16.3s
cisco / ios_xe = 3.16.4as
cisco / ios_xe = 3.16.4bs
cisco / ios_xe = 3.16.4cs
cisco / ios_xe = 3.16.4ds
cisco / ios_xe = 3.16.4es
cisco / ios_xe = 3.16.4gs
cisco / ios_xe = 3.16.4s
cisco / ios_xe = 3.16.5as
cisco / ios_xe = 3.16.5bs
cisco / ios_xe = 3.16.5s
cisco / ios_xe = 3.16.6bs
cisco / ios_xe = 3.16.6s
cisco / ios_xe = 3.16.7as
cisco / ios_xe = 3.16.7bs
cisco / ios_xe = 3.16.7s
cisco / ios_xe = 3.16.8s
cisco / ios_xe = 3.16.9s
cisco / ios_xe = 3.16.10s
cisco / ios_xe = 3.17.0s
cisco / ios_xe = 3.17.1as
cisco / ios_xe = 3.17.1s
cisco / ios_xe = 3.17.2s
cisco / ios_xe = 3.17.3s
cisco / ios_xe = 3.17.4s
cisco / ios_xe = 3.18.0as
cisco / ios_xe = 3.18.0s
cisco / ios_xe = 3.18.0sp
cisco / ios_xe = 3.18.1asp
cisco / ios_xe = 3.18.1bsp
cisco / ios_xe = 3.18.1csp
cisco / ios_xe = 3.18.1gsp
cisco / ios_xe = 3.18.1hsp
cisco / ios_xe = 3.18.1isp
cisco / ios_xe = 3.18.1s
cisco / ios_xe = 3.18.1sp
cisco / ios_xe = 3.18.2asp
cisco / ios_xe = 3.18.2s
cisco / ios_xe = 3.18.2sp
cisco / ios_xe = 3.18.3asp
cisco / ios_xe = 3.18.3bsp
cisco / ios_xe = 3.18.3s
cisco / ios_xe = 3.18.3sp
cisco / ios_xe = 3.18.4s
cisco / ios_xe = 3.18.4sp
cisco / ios_xe = 3.18.5sp
cisco / ios_xe = 3.18.6sp
cisco / ios_xe = 3.18.7sp
cisco / ios_xe = 16.1.1
cisco / ios_xe = 16.1.2
cisco / ios_xe = 16.1.3
cisco / ios_xe = 16.2.1
cisco / ios_xe = 16.2.2
cisco / ios_xe = 16.3.1
cisco / ios_xe = 16.3.1a
cisco / ios_xe = 16.3.2
cisco / ios_xe = 16.3.3
cisco / ios_xe = 16.3.4
cisco / ios_xe = 16.3.5
cisco / ios_xe = 16.3.5b
cisco / ios_xe = 16.3.6
cisco / ios_xe = 16.3.7
cisco / ios_xe = 16.3.8
cisco / ios_xe = 16.3.9
cisco / ios_xe = 16.4.1
cisco / ios_xe = 16.4.2
cisco / ios_xe = 16.4.3
cisco / ios_xe = 16.5.1
cisco / ios_xe = 16.5.1a
cisco / ios_xe = 16.5.1b
cisco / ios_xe = 16.5.2
cisco / ios_xe = 16.5.3
cisco / ios_xe = 16.6.1
cisco / ios_xe = 16.6.2
cisco / ios_xe = 16.6.3
cisco / ios_xe = 16.6.4
cisco / ios_xe = 16.6.4a
cisco / ios_xe = 16.6.4s
cisco / ios_xe = 16.6.5
cisco / ios_xe = 16.6.5a
cisco / ios_xe = 16.6.5b
cisco / ios_xe = 16.6.6
cisco / ios_xe = 16.6.7
cisco / ios_xe = 16.6.7a
cisco / ios_xe = 16.7.1
cisco / ios_xe = 16.7.1a
cisco / ios_xe = 16.7.1b
cisco / ios_xe = 16.7.2
cisco / ios_xe = 16.7.3
cisco / ios_xe = 16.7.4
cisco / ios_xe = 16.12.1y
cisco / nx-os = 6.0(2)a-7(2a)
cisco / nx-os = 6.0(2)a4(1)
cisco / nx-os = 6.0(2)a4(2)
cisco / nx-os = 6.0(2)a4(3)
cisco / nx-os = 6.0(2)a4(4)
cisco / nx-os = 6.0(2)a4(5)
cisco / nx-os = 6.0(2)a4(6)
cisco / nx-os = 6.0(2)a6(1)
cisco / nx-os = 6.0(2)a6(1a)
cisco / nx-os = 6.0(2)a6(2)
cisco / nx-os = 6.0(2)a6(2a)
cisco / nx-os = 6.0(2)a6(3)
cisco / nx-os = 6.0(2)a6(3a)
cisco / nx-os = 6.0(2)a6(4)
cisco / nx-os = 6.0(2)a6(4a)
cisco / nx-os = 6.0(2)a6(5)
cisco / nx-os = 6.0(2)a6(5a)
cisco / nx-os = 6.0(2)a6(5b)
cisco / nx-os = 6.0(2)a6(6)
cisco / nx-os = 6.0(2)a6(7)
cisco / nx-os = 6.0(2)a6(8)
cisco / nx-os = 6.0(2)a7(1)
cisco / nx-os = 6.0(2)a7(1a)
cisco / nx-os = 6.0(2)a7(2)
cisco / nx-os = 6.0(2)a8(1)
cisco / nx-os = 6.0(2)a8(2)
cisco / nx-os = 6.0(2)a8(3)
cisco / nx-os = 6.0(2)a8(4)
cisco / nx-os = 6.0(2)a8(4a)
cisco / nx-os = 6.0(2)a8(5)
cisco / nx-os = 6.0(2)a8(6)
cisco / nx-os = 6.0(2)a8(7)
cisco / nx-os = 6.0(2)a8(7a)
cisco / nx-os = 6.0(2)a8(7b)
cisco / nx-os = 6.0(2)a8(8)
cisco / nx-os = 6.0(2)a8(9)
cisco / nx-os = 6.0(2)a8(10)
cisco / nx-os = 6.0(2)a8(10a)
cisco / nx-os = 6.0(2)a8(11)
cisco / nx-os = 6.0(2)a8(11a)
cisco / nx-os = 6.0(2)a8(11b)
cisco / nx-os = 6.0(2)u4(1)
cisco / nx-os = 6.0(2)u4(2)
cisco / nx-os = 6.0(2)u4(3)
cisco / nx-os = 6.0(2)u4(4)
cisco / nx-os = 6.0(2)u5(1)
cisco / nx-os = 6.0(2)u5(2)
cisco / nx-os = 6.0(2)u5(3)
cisco / nx-os = 6.0(2)u5(4)
cisco / nx-os = 6.0(2)u6(1)
cisco / nx-os = 6.0(2)u6(1a)
cisco / nx-os = 6.0(2)u6(2)
cisco / nx-os = 6.0(2)u6(2a)
cisco / nx-os = 6.0(2)u6(3)
cisco / nx-os = 6.0(2)u6(3a)
cisco / nx-os = 6.0(2)u6(4)
cisco / nx-os = 6.0(2)u6(4a)
cisco / nx-os = 6.0(2)u6(5)
cisco / nx-os = 6.0(2)u6(5a)
cisco / nx-os = 6.0(2)u6(5b)
cisco / nx-os = 6.0(2)u6(5c)
cisco / nx-os = 6.0(2)u6(6)
cisco / nx-os = 6.0(2)u6(7)
cisco / nx-os = 6.0(2)u6(8)
cisco / nx-os = 6.0(2)u6(9)
cisco / nx-os = 6.0(2)u6(10)
cisco / nx-os = 6.0(2)u6(10a)
cisco / nx-os = 6.1(2)i2(2a)
cisco / nx-os = 6.1(2)i2(2b)
cisco / nx-os = 6.1(2)i3(1)
cisco / nx-os = 6.1(2)i3(2)
cisco / nx-os = 6.1(2)i3(3)
cisco / nx-os = 6.1(2)i3(3a)
cisco / nx-os = 6.1(2)i3(4)
cisco / nx-os = 6.1(2)i3(4a)
cisco / nx-os = 6.1(2)i3(4b)
cisco / nx-os = 6.1(2)i3(4c)
cisco / nx-os = 6.1(2)i3(4d)
cisco / nx-os = 6.1(2)i3(4e)
cisco / nx-os = 7.0(3)f3(1)
cisco / nx-os = 7.0(3)f3(2)
cisco / nx-os = 7.0(3)f3(3)
cisco / nx-os = 7.0(3)f3(3a)
cisco / nx-os = 7.0(3)f3(3c)
cisco / nx-os = 7.0(3)f3(4)
cisco / nx-os = 7.0(3)f3(5)
cisco / nx-os = 7.0(3)i1(1)
cisco / nx-os = 7.0(3)i1(1a)
cisco / nx-os = 7.0(3)i1(1b)
cisco / nx-os = 7.0(3)i1(1z)
cisco / nx-os = 7.0(3)i1(2)
cisco / nx-os = 7.0(3)i1(3)
cisco / nx-os = 7.0(3)i1(3a)
cisco / nx-os = 7.0(3)i1(3b)
cisco / nx-os = 7.0(3)i2(1)
cisco / nx-os = 7.0(3)i2(1a)
cisco / nx-os = 7.0(3)i2(2)
cisco / nx-os = 7.0(3)i2(2a)
cisco / nx-os = 7.0(3)i2(2b)
cisco / nx-os = 7.0(3)i2(2c)
cisco / nx-os = 7.0(3)i2(2d)
cisco / nx-os = 7.0(3)i2(2e)
cisco / nx-os = 7.0(3)i2(2r)
cisco / nx-os = 7.0(3)i2(2s)
cisco / nx-os = 7.0(3)i2(2v)
cisco / nx-os = 7.0(3)i2(2w)
cisco / nx-os = 7.0(3)i2(2x)
cisco / nx-os = 7.0(3)i2(2y)
cisco / nx-os = 7.0(3)i2(3)
cisco / nx-os = 7.0(3)i2(4)
cisco / nx-os = 7.0(3)i2(5)
cisco / nx-os = 7.0(3)i3(1)
cisco / nx-os = 7.0(3)i4(1)
cisco / nx-os = 7.0(3)i4(1t)
cisco / nx-os = 7.0(3)i4(2)
cisco / nx-os = 7.0(3)i4(3)
cisco / nx-os = 7.0(3)i4(4)
cisco / nx-os = 7.0(3)i4(5)
cisco / nx-os = 7.0(3)i4(6)
cisco / nx-os = 7.0(3)i4(6t)
cisco / nx-os = 7.0(3)i4(7)
cisco / nx-os = 7.0(3)i4(8)
cisco / nx-os = 7.0(3)i4(8a)
cisco / nx-os = 7.0(3)i4(8b)
cisco / nx-os = 7.0(3)i4(8z)
cisco / nx-os = 7.0(3)i4(9)
cisco / nx-os = 7.0(3)i5(1)
cisco / nx-os = 7.0(3)i5(2)
cisco / nx-os = 7.0(3)i5(3)
cisco / nx-os = 7.0(3)i5(3a)
cisco / nx-os = 7.0(3)i5(3b)
cisco / nx-os = 7.0(3)i6(1)
cisco / nx-os = 7.0(3)i6(2)
cisco / nx-os = 7.0(3)i7(1)
cisco / nx-os = 7.0(3)i7(2)
cisco / nx-os = 7.0(3)i7(3)
cisco / nx-os = 7.0(3)i7(3z)
cisco / nx-os = 7.0(3)i7(4)
cisco / nx-os = 7.0(3)i7(5)
cisco / nx-os = 7.0(3)i7(5a)
cisco / nx-os = 7.0(3)i7(6)
cisco / nx-os = 7.0(3)i7(6z)
cisco / nx-os = 7.0(3)i7(7)
cisco / nx-os = 7.0(3)ic4(4)
cisco / nx-os = 7.0(3)im7(2)
cisco / nx-os = 7.0(3)ix1(2)
cisco / nx-os = 7.0(3)ix1(2a)
cisco / nx-os = 7.1(0)n1(1)
cisco / nx-os = 7.1(0)n1(1a)
cisco / nx-os = 7.1(0)n1(1b)
cisco / nx-os = 7.1(1)n1(1)
cisco / nx-os = 7.1(1)n1(1a)
cisco / nx-os = 7.1(2)n1(1)
cisco / nx-os = 7.1(2)n1(1a)
cisco / nx-os = 7.1(3)n1(1)
cisco / nx-os = 7.1(3)n1(2)
cisco / nx-os = 7.1(3)n1(2a)
cisco / nx-os = 7.1(3)n1(3)
cisco / nx-os = 7.1(3)n1(4)
cisco / nx-os = 7.1(3)n1(5)
cisco / nx-os = 7.1(4)n1(1)
cisco / nx-os = 7.1(4)n1(1a)
cisco / nx-os = 7.1(4)n1(1c)
cisco / nx-os = 7.1(4)n1(1d)
cisco / nx-os = 7.1(5)n1(1)
cisco / nx-os = 7.1(5)n1(1b)
cisco / nx-os = 7.2(0)n1(1)
cisco / nx-os = 7.2(1)n1(1)
cisco / nx-os = 7.3(0)n1(1)
cisco / nx-os = 7.3(0)n1(1a)
cisco / nx-os = 7.3(0)n1(1b)
cisco / nx-os = 7.3(1)n1(1)
cisco / nx-os = 7.3(2)n1(1)
cisco / nx-os = 7.3(2)n1(1b)
cisco / nx-os = 7.3(2)n1(1c)
cisco / nx-os = 7.3(3)n1(1)
cisco / nx-os = 7.3(4)n1(1)
cisco / nx-os = 7.3(4)n1(1a)
cisco / nx-os = 7.3(5)n1(1)
cisco / nx-os = 7.3(6)n1(1)
cisco / nx-os = 7.3(6)n1(1a)
cisco / nx-os = 7.2(1)d1(1)
cisco / nx-os = 7.2(2)d1(1)
cisco / nx-os = 7.3(0)d1(1)
cisco / nx-os = 7.3(1)d1(1)
cisco / nx-os = 7.3(2)d1(3a)
cisco / nx-os = 7.3(3)d1(1)
cisco / nx-os = 7.3(4)d1(1)
cisco / nx-os = 7.3(5)d1(1)
cisco / nx-os = 8.0(1)
cisco / nx-os = 8.1(1)
cisco / nx-os = 8.2(5)
cisco / nx-os = 8.3(1)
cisco / nx-os = 8.4(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.