VULNERABILITY INTELLIGENCE
CVE-2016-6421
CVSS score5.3 MEDIUM
EPSS probability1.60%
CISA KEVNot currently listed
Published2016-10-05
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
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.