7.1
CVSSv2

CVE-2017-3850

Published: 21/03/2017 Updated: 09/10/2019
CVSS v2 Base Score: 7.1 | Impact Score: 6.9 | Exploitability Score: 8.6
CVSS v3 Base Score: 5.9 | Impact Score: 3.6 | Exploitability Score: 2.2
VMScore: 632
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C

Vulnerability Summary

A vulnerability in the Autonomic Networking Infrastructure (ANI) feature of Cisco IOS Software (15.4 up to and including 15.6) and Cisco IOS XE Software (3.7 up to and including 3.18, and 16) could allow an unauthenticated, remote malicious user to cause a denial of service (DoS) condition. The vulnerability is due to incomplete input validation on certain crafted packets. An attacker could exploit this vulnerability by sending a crafted IPv6 packet to a device that is running a Cisco IOS Software or Cisco IOS XE Software release that supports the ANI feature. A device must meet two conditions to be affected by this vulnerability: (1) the device must be running a version of Cisco IOS Software or Cisco IOS XE Software that supports ANI (regardless of whether ANI is configured); and (2) the device must have a reachable IPv6 interface. An exploit could allow the malicious user to cause the affected device to reload. Cisco Bug IDs: CSCvc42729.

Vulnerability Trend

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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 15.4\\(3\\)s3

cisco ios 15.4\\(3\\)s4

cisco ios 15.4\\(3\\)s5

cisco ios 15.4\\(3\\)s6

cisco ios 15.5\\(3\\)s2

cisco ios 15.5\\(3\\)s3

cisco ios 15.5\\(3\\)sn

cisco ios 15.6\\(1\\)s

cisco ios 15.6\\(3\\)m

cisco ios xe 3.7.0e

cisco ios xe 3.7.1e

cisco ios xe 3.7.2e

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 3.13.0s

cisco ios xe 3.13.1s

cisco ios xe 3.13.2s

cisco ios xe 3.13.3s

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 3.16.0cs

cisco ios xe 3.16.5s

cisco ios xe 3.17.0s

cisco ios xe 3.17.1as

cisco ios xe 3.17.1s

cisco ios 15.2\\(3\\)e

cisco ios 15.2\\(3\\)e2

cisco ios 15.2\\(5\\)e

cisco ios 15.3\\(3\\)s

cisco ios 15.4\\(1\\)s

cisco ios 15.4\\(1\\)s2

cisco ios 15.4\\(3\\)s

cisco ios 15.4\\(3\\)s2

cisco ios 15.5\\(1\\)s

cisco ios 15.5\\(1\\)s2

cisco ios 15.5\\(3\\)s

cisco ios 15.5\\(3\\)s1

cisco ios 15.6\\(1\\)s2

cisco ios 15.6\\(1\\)t0a

cisco ios 15.6\\(2\\)sn

cisco ios 15.6\\(2\\)t1

cisco ios xe 3.7.4e

cisco ios xe 3.8.0e

cisco ios xe 3.10.1s

cisco ios xe 3.10.2s

cisco ios xe 3.10.7s

cisco ios xe 3.11.0s

cisco ios xe 3.12.2s

cisco ios xe 3.12.4s

cisco ios 15.2\\(3\\)e3

cisco ios 15.2\\(4\\)e

cisco ios 15.2\\(4\\)e1

cisco ios 15.2\\(4\\)e2

cisco ios 15.4\\(1\\)s3

cisco ios 15.4\\(1\\)s4

cisco ios 15.4\\(2\\)s1

cisco ios 15.4\\(2\\)s2

cisco ios 15.4\\(2\\)s3

cisco ios 15.5\\(1\\)s4

cisco ios 15.5\\(2\\)s

cisco ios 15.5\\(2\\)s1

cisco ios 15.5\\(2\\)s2

cisco ios 15.6\\(1\\)t1

cisco ios 15.6\\(1\\)t2

cisco ios 15.6\\(2\\)s

cisco ios 15.6\\(2\\)s1

cisco ios xe 3.8.2e

cisco ios xe 3.8.3e

cisco ios xe 3.9.0e

cisco ios xe 3.9.1e

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 3.12.1s

cisco ios xe 3.13.6s

cisco ios xe 3.14.0s

cisco ios xe 3.14.1s

cisco ios xe 3.14.2s

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 3.18.0sp

cisco ios xe 3.18.1asp

cisco ios xe 3.18.1bsp

cisco ios xe 3.18.1s

cisco ios xe 3.18.1sp

cisco ios xe 3.13.5as

cisco ios xe 3.13.6as

cisco ios xe 3.14.3s

cisco ios xe 3.15.0s

cisco ios xe 3.16.0s

cisco ios xe 3.16.1s

cisco ios xe 3.16.4bs

cisco ios xe 3.16.4s

cisco ios xe 3.17.2s

cisco ios xe 3.18.0as

cisco ios xe 3.18.2s

cisco ios 15.2\\(3\\)e1

cisco ios 15.2\\(5b\\)e

cisco ios 15.3\\(3\\)s1

cisco ios 15.3\\(3\\)s6

cisco ios 15.4\\(1\\)s1

cisco ios 15.4\\(2\\)s4

cisco ios 15.4\\(3\\)s1

cisco ios 15.5\\(1\\)s1

cisco ios 15.5\\(1\\)s3

cisco ios 15.5\\(2\\)s3

cisco ios 15.5\\(3\\)s0a

cisco ios 15.5\\(3\\)s1a

cisco ios 15.6\\(1\\)s1

cisco ios 15.6\\(1\\)t

cisco ios 15.6\\(2\\)t

cisco ios 15.6\\(2\\)t2

cisco ios xe 3.7.3e

cisco ios xe 3.7.5e

cisco ios xe 3.8.1e

cisco ios xe 3.10.0s

cisco ios xe 3.10.1xbs

cisco ios xe 3.10.8s

cisco ios xe 3.11.1s

cisco ios xe 3.12.3s

cisco ios xe 3.13.0as

cisco ios xe 3.13.4s

cisco ios xe 3.13.5s

cisco ios xe 3.14.4s

cisco ios xe 3.15.1cs

cisco ios xe 3.16.1as

cisco ios xe 3.16.2as

cisco ios xe 3.16.4as

cisco ios xe 3.16.4ds

cisco ios xe 3.17.3s

cisco ios xe 3.18.0s

cisco ios xe 3.18.3vs