Unrated severityNVD Advisory· Published Mar 28, 2013· Updated Jun 16, 2026

CVE-2013-1142

Description

Race condition in the VRF-aware NAT feature in Cisco IOS 12.2 through 12.4 and 15.0 through 15.2 allows remote attackers to cause a denial of service (memory consumption) via IPv4 packets, aka Bug IDs CSCtg47129 and CSCtz96745.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Cisco Systems, Inc./Cisco iOS2 versions
cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*range: >=12.2,<=12.4
- (no CPE)range: 12.2 through 12.4 and 15.0 through 15.2

Patches

Vulnerability mechanics

References

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130327-natnvdVendor Advisory
tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1142nvdVendor Advisory

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