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Published: 19/09/2013 Updated: 20/09/2013

CVSS v2 Base Score: 5.4 | Impact Score: 6.9 | Exploitability Score: 4.9

VMScore: 481

Vector: AV:N/AC:H/Au:N/C:N/I:N/A:C

The regex engine in the BGP implementation in Cisco NX-OS, when a complex regular expression is configured for inbound routes, allows remote malicious users to cause a denial of service (device reload) via a crafted AS path set, aka Bug ID CSCuf49554.

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A vulnerability in the Border Gateway Protocol (BGP) code of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause the affected device to reload The vulnerability is due to an issue with the regex engine used when processing complex regular expressions An attacker could exploit this vulnerability by injecting specific aut ...

CWE-399 http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1121 https://nvd.nist.gov http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/Cisco-SA-20130917-CVE-2013-1121

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CVE-2013-1121

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