CVE-2016-6421

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CVSS 3.0

5.3 medium

EPSS

2%p74

Published

Oct 5, 2016 (Oct 5, 2016)

Modified

Jun 17, 2026

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.

Vendors: cisco
Products: ios xr
Weakness: CWE-399
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

NVD CVE.org GitHub PoCs EPSS (1.6%)

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