CVE-2009-2055: Cisco IOS XR Border Gateway Protocol (BGP) Denial-of-Service Vulnerability
Medium · CVSS 5.9 (CVSS 3.1)KEV known exploitedEPSS 3.3%, 88th percentilePublished Updated Assigner: cisco
In CISA’s Known Exploited Vulnerabilities catalog: Cisco IOS XR Border Gateway Protocol (BGP) Denial-of-Service Vulnerability.
Added , federal remediation due . Known ransomware use: Unknown.
Required action: Apply updates per vendor instructions.
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.
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
Cisco: IOS XR
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- mailman.nanog.org/pipermail/nanog/2009-August/012719.html (opens in new tab)
- securitytracker.com/id (opens in new tab)
- www.cisco.com/en/US/products/products_security_advisory09186a0080af150f.shtml (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)