Security readout for executives and security teams
This issue affects old Asterisk Open Source 11.x releases before 11.2.2. A specially long H.264 media attribute inside a SIP SDP header can overflow stack memory and may allow remote code execution. The business risk is highest where legacy Asterisk SIP services are reachable from untrusted networks. Exposure is likely limited to organizations still running Asterisk Open Source 11.x before 11.2.2, particularly SIP services that process SDP from external callers, partners, trunks, or otherwise untrusted sources. Treat as high priority for any internet-facing or partner-facing legacy Asterisk system. The issue is old, but remote code execution against telephony infrastructure can disrupt communications and provide a foothold if vulnerable systems remain deployed. Mitigation focus: Upgrade Asterisk Open Source 11.x deployments to 11.2.2 or later.; Review Asterisk advisory AST-2013-001 for vendor-specific remediation guidance.; Restrict SIP access to trusted peers and networks 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
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2013-2685 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
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
- https://issues.asterisk.org/jira/browse/ASTERISK-20901CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
