CVE-2009-2055 (GCVE-0-2009-2055)

Vulnerability from cvelistv5 – Published: 2009-08-19 17:00 – Updated: 2025-10-22 00:05
VLAI? CISA
Summary
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.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
http://mailman.nanog.org/pipermail/nanog/2009-Aug… mailing-listx_refsource_MLIST
http://securitytracker.com/id?1022739 vdb-entryx_refsource_SECTRACK
http://www.cisco.com/en/US/products/products_secu… vendor-advisoryx_refsource_CISCO
CISA Known Exploited Vulnerability
Data from the CISA Known Exploited Vulnerabilities Catalog

Date added: 2022-03-25

Due date: 2022-04-15

Required action: Apply updates per vendor instructions.

Used in ransomware: Unknown

Notes: https://nvd.nist.gov/vuln/detail/CVE-2009-2055

Show details on NVD website
To clipboard 

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      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.