Home/CVE/Cisco IOS XR 3.8.1 and earlier allows remote authenticated users to cause a denial of service (process crash) via vector
CVE

CVE-2009-2056

Cisco IOS XR 3.8.1 and earlier allows remote authenticated users to cause a denial of service (process crash) via vector

Cisco IOS XR 3.8.1 and earlier allows remote authenticated users to cause a denial of service (process crash) via vectors involving a BGP UPDATE message with many AS numbers prepended to the AS path.

LOW · CVSS 3.3 EPSS 0.00474
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
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Affected Products & Versions

2
cisco ios xr<= 3.8.1
cisco ios xrall versions
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Scoring & Timeline

3.3
LOW · CVSS v2 (legacy) · psirt@cisco.com
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:M/C:N/I:N/A:P
Published to NVD21 Aug 2009 · 05:30 PM
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References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://securitytracker.com/id?1022756
http://www.cisco.com/en/US/products/products_security_advisory09186a0080af150f.shtmlPatchVendor Advisory
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