VulnerabilityModified

CVE-2009-2056

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 3.3EPSS 1.34%

Does this matter?

Lower severity and a low EPSS score (1.34%). Track it; it rarely justifies an emergency change on its own.

Description

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.

CVSS 2.0: 3.3 LOWAV:N/AC:L/Au:M/C:N/I:N/A:P
EPSS: 1.34% probability · 70th percentile
CISA KEV: Not listed
Weakness: CWE-264
Affected: cisco/ios xr
Source: psirt@cisco.com

References

http://securitytracker.com/id?1022756
http://www.cisco.com/en/US/products/products_security_advisory09186a0080af150f.shtmlPatch, Vendor Advisory
http://securitytracker.com/id?1022756
http://www.cisco.com/en/US/products/products_security_advisory09186a0080af150f.shtmlPatch, Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.