CVE-2009-2055

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

4.3 /10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
http://mailman.nanog.org/pipermail/nanog/2009-August/012719.html Mailing List
http://securitytracker.com/id?1022739 Broken Link
http://www.cisco.com/en/US/products/products_security_advisory09186a0080af150f.shtml Patch Vendor Advisory
http://mailman.nanog.org/pipermail/nanog/2009-August/012719.html Mailing List
http://securitytracker.com/id?1022739 Broken Link
http://www.cisco.com/en/US/products/products_security_advisory09186a0080af150f.shtml Patch Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2009-2055
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:cisco:ios_xr:3.4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:3.4.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:3.4.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:3.4.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:3.4.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:3.5:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:3.5.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:3.5.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:3.5.4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:3.6.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:3.6.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:3.6.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:3.6.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:3.7.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:3.7.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:3.7.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:3.7.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:3.8.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:3.8.1:*:*:*:*:*:*:*
History

22 Oct 2025, 01:15

Type Values Removed Values Added
References
  • () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2009-2055 -

21 Oct 2025, 20:15

Type Values Removed Values Added
References
  • {'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2009-2055', 'source': '134c704f-9b21-4f2e-91b3-4a467353bcc0'}

21 Oct 2025, 19:15

Type Values Removed Values Added
References
  • () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2009-2055 -

06 Jan 2025, 19:08

Type Values Removed Values Added
References () http://mailman.nanog.org/pipermail/nanog/2009-August/012719.html - () http://mailman.nanog.org/pipermail/nanog/2009-August/012719.html - Mailing List
References () http://securitytracker.com/id?1022739 - () http://securitytracker.com/id?1022739 - Broken Link

21 Nov 2024, 01:04

Type Values Removed Values Added
References () http://mailman.nanog.org/pipermail/nanog/2009-August/012719.html - () http://mailman.nanog.org/pipermail/nanog/2009-August/012719.html -
References () http://securitytracker.com/id?1022739 - () http://securitytracker.com/id?1022739 -
References () http://www.cisco.com/en/US/products/products_security_advisory09186a0080af150f.shtml - Patch, Vendor Advisory () http://www.cisco.com/en/US/products/products_security_advisory09186a0080af150f.shtml - Patch, Vendor Advisory
Information

Published : 2009-08-19 17:30

Updated : 2025-10-22 01:15

NVD link : CVE-2009-2055

Mitre link : CVE-2009-2055

CVE.ORG link : CVE-2009-2055

JSON object : View

Products Affected

cisco

  • ios_xr
CWE
CWE-20

Improper Input Validation