VULNERABILITY INTELLIGENCE

CVE-2014-3271

CVSS score5 MEDIUM

EPSS probability1.97%

CISA KEVNot currently listed

Published2014-05-20

Last modified2026-06-17

CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:P

Description

The DHCPv6 implementation in Cisco IOS XR allows remote attackers to cause a denial of service (device crash) via a malformed packet, aka Bug IDs CSCum85558, CSCum20949, CSCul61849, and CSCul71149.

Weakness classification

CWE-20: Improper Input Validation

Primary references

psirt@cisco.com — Vendor Advisory
psirt@cisco.com — Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry