kbrain

CVE-2012-3863

MEDIUM · CVSS 4.0EPSS 3.2%EU EUVD

channels/chan_sip.c in Asterisk Open Source 1.8.x before 1.8.13.1 and 10.x before 10.5.2, Asterisk Business Edition C.3.x before C.3.7.5, Certified Asterisk 1.8.11-certx before 1.8.11-cert4, and Asterisk Digiumphones 10.x.x-digiumphones before 10.5.2-digiumphones does not properly handle a provisional response to a SIP reINVITE request, which allows remote authenticated users to cause a denial of service (RTP port exhaustion) via sessions that lack final responses.

Key facts

CVSS score
4.0 (v2.0)
Severity
MEDIUM
CVSS vector
AV:N/AC:L/Au:S/C:N/I:N/A:P
Weakness (CWE)
CWE-399
EPSS score
3.2% (88th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2012-3810)
Published
July 9, 2012
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2012-3810 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

  • digium / asterisk
  • digium / asterisk
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  • digium / asterisk

and 81 more…

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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