CVE-2012-4737: n/a vulnerability

CVE-2012-4737: channels/chan_iax2.c in Asterisk Open Source 1.8.x before 1.8.15.1 and 10.x before 10.7.1, Certified Asteri...

channels/chan_iax2.c in Asterisk Open Source 1.8.x before 1.8.15.1 and 10.x before 10.7.1, Certified Asterisk 1.8.11 before 1.8.11-cert7, Asterisk Digiumphones 10.x.x-digiumphones before 10.7.1-digiumphones, and Asterisk Business Edition C.3.x before C.3.7.6 does not enforce ACL rules during certain uses of peer credentials, which allows remote authenticated users to bypass intended outbound-call restrictions by leveraging the availability of these credentials.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 20:42 UTC (UTC+00:00)

Security readout for executives and security teams

This vulnerability lets an authenticated Asterisk user bypass intended outbound calling restrictions in specific IAX2 credential handling paths. The main business concern is unauthorized calling that may violate policy or create telecom cost exposure, especially on systems that expose IAX2 peer access. Exposure is most likely where affected Asterisk versions use IAX2 peers, credentials, and outbound ACL or calling restrictions. Listed affected lines include Open Source 1.8.x and 10.x, Certified 1.8.11, Digiumphones 10.x, and Business Edition C.3.x before fixed releases. Prioritize remediation on internet-reachable or partner-facing Asterisk systems using IAX2. Treat it as a cost, policy, and telecom abuse risk rather than evidence of full system compromise. Mitigation focus: Upgrade Asterisk Open Source to 1.8.15.1, 10.7.1, or later.; Upgrade Certified Asterisk to 1.8.11-cert7 or later.; Upgrade Digiumphones builds to 10.7.1-digiumphones or later..

Prepared: Jun 28, 2026, 00:52 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Aug 31, 2012, 14:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors

0Timeline events

0ADP providers

1Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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