Is CVE-2012-2947 being actively exploited?

CVE-2012-2947 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2012-2947?

CVE-2012-2947 has a CVSS 2.0 base score of 2.6 (LOW).

CVE-2012-2947

LOW · CVSS 2.6EPSS 2.3%EU EUVD

chan_iax2.c in the IAX2 channel driver in Certified Asterisk 1.8.11-cert before 1.8.11-cert2 and Asterisk Open Source 1.8.x before 1.8.12.1 and 10.x before 10.4.1, when a certain mohinterpret setting is enabled, allows remote attackers to cause a denial of service (daemon crash) by placing a call on hold.

Key facts

CVSS score: 2.6 (v2.0)
Severity: LOW
CVSS vector: AV:N/AC:H/Au:N/C:N/I:N/A:P
Weakness (CWE): CWE-284
EPSS score: 2.3% (83th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2012-2925)
Published: June 2, 2012
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2012-2925 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

debian / debian linux
digium / asterisk
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and 55 more…

References

http://archives.neohapsis.com/archives/bugtraq/2012-05/0144.html(Broken Link)
http://downloads.asterisk.org/pub/security/AST-2012-007.html(Vendor Advisory)
http://secunia.com/advisories/49303(Not Applicable)
http://www.debian.org/security/2012/dsa-2493(Third Party Advisory)
http://www.securitytracker.com/id?1027102(Third Party Advisory, VDB Entry)

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

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