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CVE Record

CVE-2014-4048: The PJSIP Channel Driver in Asterisk Open Source before 12.3.1 allows remote attackers to cause a denial of...

The PJSIP Channel Driver in Asterisk Open Source before 12.3.1 allows remote attackers to cause a denial of service (deadlock) by terminating a subscription request before it is complete, which triggers a SIP transaction timeout.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysis

Security readout for executives and security teams

This vulnerability can let a remote party crash or freeze affected Asterisk systems by interrupting a PJSIP subscription request at the wrong time. For businesses using older Asterisk 12 deployments, the practical risk is voice service disruption, not data theft. Exposure is most likely in Asterisk Open Source deployments before 12.3.1 that use the PJSIP Channel Driver and accept SIP subscription traffic from reachable networks. Prioritize remediation for internet-facing or business-critical PBX systems. The issue affects availability of voice services and should be handled through routine urgent maintenance if legacy Asterisk 12 is present. Mitigation focus: Upgrade affected Asterisk Open Source systems to 12.3.1 or later.; Review the Asterisk advisory for any deployment-specific guidance.; Restrict SIP/PJSIP reachability to trusted networks where operationally possible..

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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Affected products

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