CVE-2016-6421

MEDIUM

Cisco IOS XR <5.2.2 - DoS

Title source: llm

Description

Cisco IOS XR 5.2.2 allows remote attackers to cause a denial of service (process restart) via a crafted OSPF Link State Advertisement (LSA) update, aka Bug ID CSCvb05643.

Scores

CVSS v3 5.3
EPSS 0.0055
EPSS Percentile 67.5%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Classification

CWE
CWE-399
Status published

Affected Products (2)

cisco/ios_xr
n/a/n/a

Timeline

Published Oct 05, 2016
Tracked Since Feb 18, 2026