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CVE-2011-4598
The handle_request_info function in channels/chan_sip.c in Asterisk Open Source 1.6.2.x before 1.6.2.21 and 1.8.x before 1.8.7.2, when…
Medium4.3EPSS 2.4%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
The handle_request_info function in channels/chan_sip.c in Asterisk Open Source 1.6.2.x before 1.6.2.21 and 1.8.x before 1.8.7.2, when automon is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted sequence of SIP requests.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 2.4% · top 16% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Weakness
Affected products
n/a
- affected n/a
References (6)
- [oss-security] 20111209 Re: CVE Request -- Asterisk -- AST-2011-013 and AST-2011-014 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20111209 CVE Request -- Asterisk -- AST-2011-013 and AST-2011-014 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 47273 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 77598 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- http://downloads.asterisk.org/pub/security/AST-2011-014.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- DSA-2367 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_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)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .