CVE-2011-1507
Asterisk Open Source 1.4.x before 1.4.40.1, 1.6.1.x before 1.6.1.25, 1.6.2.x before 1.6.2.17.3, and 1.8.x before 1.8.3.3 and Asterisk Business Edition C.x.x before C.3.6.4 do not restrict the number of unauthenticated sessions to certain interfaces, which allows remote attackers to cause a denial of service (file descriptor exhaustion and disk space exhaustion) via a series of TCP connections.
Key facts
- CVSS score
- 5.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P- Weakness (CWE)
- CWE-399
- EPSS score
- 2.5% (85th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2011-1508)
- Published
- April 27, 2011
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2011-1508 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- digium / asterisk
- digium / asterisk
- digium / asterisk
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- digium / asterisk
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and 174 more…
References
- http://downloads.digium.com/pub/security/AST-2011-005.html(Vendor Advisory)
- http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058922.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-May/059702.html
- http://secunia.com/advisories/44197(Vendor Advisory)
- http://secunia.com/advisories/44529
- http://securitytracker.com/id?1025432
- http://www.debian.org/security/2011/dsa-2225
- http://www.vupen.com/english/advisories/2011/1086(Vendor Advisory)
- http://www.vupen.com/english/advisories/2011/1107
- http://www.vupen.com/english/advisories/2011/1188
- https://bugzilla.redhat.com/show_bug.cgi?id=698916(Patch)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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