Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2009-2055

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.

Published

2009-08-19T17:30:01.047

Last Modified

2025-04-09T00:30:58.490

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

8.6

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-20
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco ios_xr 3.4 Yes
Operating System cisco ios_xr 3.4.0 Yes
Operating System cisco ios_xr 3.4.1 Yes
Operating System cisco ios_xr 3.4.2 Yes
Operating System cisco ios_xr 3.4.3 Yes
Operating System cisco ios_xr 3.5 Yes
Operating System cisco ios_xr 3.5.2 Yes
Operating System cisco ios_xr 3.5.3 Yes
Operating System cisco ios_xr 3.5.4 Yes
Operating System cisco ios_xr 3.6.0 Yes
Operating System cisco ios_xr 3.6.1 Yes
Operating System cisco ios_xr 3.6.2 Yes
Operating System cisco ios_xr 3.6.3 Yes
Operating System cisco ios_xr 3.7.0 Yes
Operating System cisco ios_xr 3.7.1 Yes
Operating System cisco ios_xr 3.7.2 Yes
Operating System cisco ios_xr 3.7.3 Yes
Operating System cisco ios_xr 3.8.0 Yes
Operating System cisco ios_xr 3.8.1 Yes
References