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.
Advisories
Source ID Title
EUVD EUVD EUVD-2009-2051 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.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 13 Jan 2026 06:15:00 +0900

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H'}


Wed, 22 Oct 2025 10:15:00 +0900


Wed, 22 Oct 2025 05:30:00 +0900


Wed, 22 Oct 2025 04:30:00 +0900


Sat, 16 Nov 2024 04:15:00 +0900

Type Values Removed Values Added
Metrics kev

{'dateAdded': '2022-03-25'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'active', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published:

Updated: 2026-01-12T20:39:47.917Z

Reserved: 2009-06-12T00:00:00.000Z

Link: CVE-2009-2055

cve-icon Vulnrichment

Updated: 2024-08-07T05:36:20.975Z

cve-icon NVD

Status : Deferred

Published: 2009-08-19T17:30:01.047

Modified: 2026-01-12T21:15:49.940

Link: CVE-2009-2055

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses