Feed/CVE-2009-2055
CVE-2009-2055MEDIUMCVSS 5.9CISA KEV: Actively Exploited

Cisco IOS XR Border Gateway Protocol (BGP) Denial-of-Service Vulnerability

Published Mar 25, 2022·Updated Jun 16, 2026

NVD Description

Cisco IOS XR 3.4.0 through 3.8.1 allows remote attackers to cause a denial of service (session reset) via a BGP UPDATE message with an invalid attribute, as demonstrated in the wild on 17 August 2009.

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

References

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