VIR Vulnerability Intelligence Relay

CVE-2013-5553

high
Published 2013-11-08 · Modified 2026-04-29
CVSS v3
—
CVSS v2
7.8
VIR risk
7.8

Description

Multiple memory leaks in Cisco IOS 15.1 before 15.1(4)M7 allow remote attackers to cause a denial of service (memory consumption or device reload) by sending a crafted SIP message over (1) IPv4 or (2) IPv6, aka Bug IDs CSCuc42558 and CSCug25383.

Predictions

Exploit likelihood
20%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: psirt@cisco.com — http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20131106-sip

References

CWEs

CWE-399

Verify integrity in audit chain (admin only). AS-IS.