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Case File

CVE-2016-6421

MEDIUM · CVSS 5.3 EPSS 1.60%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2016-10-05 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.3. It affects Cisco. It may be remotely exploitable. It may lead to a denial-of-service condition.

CVE
CVE-2016-6421
Severity
MEDIUM
CVSS
5.3
EPSS
1.60%
Cisco

Original NVD 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.