Security readout for executives and security teams
CVE-2013-5553 is a denial-of-service issue in Cisco IOS 15.1 releases before 15.1(4)M7. A crafted SIP message over IPv4 or IPv6 can consume memory or cause a device reload, potentially disrupting voice or routing-dependent services. Exposure is most likely on Cisco IOS devices running affected 15.1 builds with SIP traffic reachable over IPv4 or IPv6. The source bundle does not identify specific hardware platforms, configurations, or CPEs. Treat this as a service availability risk for legacy Cisco IOS environments. Prioritize remediation where affected devices support voice, edge routing, or other business-critical network paths exposed to SIP traffic. Mitigation focus: Upgrade affected Cisco IOS 15.1 systems to 15.1(4)M7 or later guidance from Cisco.; Review Cisco advisory details before changing production voice or edge network devices.; Restrict SIP reachability to trusted peers where operationally feasible..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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CVE-2013-5553 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
Products and packages named in the record
CWE details
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