CVE-2013-5641
The SIP channel driver (channels/chan_sip.c) in Asterisk Open Source 1.8.17.x through 1.8.22.x, 1.8.23.x before 1.8.23.1, and 11.x before…
- 5.0MediumCVSS base score
- 4.1%Exploitation in 30 daysEPSS · top 9.2% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
The SIP channel driver (channels/chan_sip.c) in Asterisk Open Source 1.8.17.x through 1.8.22.x, 1.8.23.x before 1.8.23.1, and 11.x before 11.5.1 and Certified Asterisk 1.8.15 before 1.8.15-cert3 and 11.2 before 11.2-cert2 allows remote attackers to cause a denial of service (NULL pointer dereference, segmentation fault, and daemon crash) via an ACK with SDP to a previously terminated channel. NOTE: some of these details are obtained from third party information.
Timeline
ID reserved
By mitre
- 12 days later
· 12 days later
Published
- 11 years later
· 11 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 4.1% · top 9.2% of all CVEs (9 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Affected products
n/a
- affected n/a
References
11
- 54534 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 96691 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 20130827 AST-2013-004: Remote Crash From Late Arriving SIP ACK With SDP (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 54617 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- DSA-2749 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 20130827 AST-2013-004: Remote Crash From Late Arriving SIP ACK With SDP (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- http://downloads.asterisk.org/pub/security/AST-2013-004.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- 62021 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 1028956 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- https://issues.asterisk.org/jira/browse/ASTERISK-21064 (opens in a new tab)x_refsource_CONFIRMx_transferred
- MDVSA-2013:223 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2013-5481 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2013-5641)Record last updated .