Vulnerability Monitor

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CVE-2009-1154

Cisco IOS XR 3.8.1 and earlier allows remote attackers to cause a denial of service (process crash) via a long BGP UPDATE message, as demonstrated by a message with many AS numbers in the AS Path Attribute.

Published

2009-08-21T17:30:00.203

Last Modified

2025-04-09T00:30:58.490

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 3.3 (LOW)

CVSSv2 Vector

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

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

6.4

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-119
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco ios_xr ≤ 3.8.1 Yes
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
References