CVE-2013-1143

Severity: high (CVSS 7.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-03-28 · updated 2026-06-16
Weakness: CWE-119

Description

The RSVP protocol implementation in Cisco IOS 12.2 and 15.0 through 15.2 and IOS XE 3.1.xS through 3.4.xS before 3.4.5S and 3.5.xS through 3.7.xS before 3.7.2S, when MPLS-TE is enabled, allows remote attackers to cause a denial of service (incorrect memory access and device reload) via a traffic engineering PATH message in an RSVP packet, aka Bug ID CSCtg39957.

Affected products

Cisco IOS: 12.2, 15.0, 15.0(1)se, 15.1, 15.2, 15.3
Cisco IOS XE: 3.1.0s, 3.1.1s, 3.1.2s, 3.1.3s, 3.1.4s, 3.2.0s (+13)

References

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130327-rsvp
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1143
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130327-rsvp
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1143

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