CVE-2014-4048

CVE-2014-4048 is a medium-severity vulnerability in Digium Asterisk with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

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.

Frequently asked questions

What is CVE-2014-4048?
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.
How severe is CVE-2014-4048?
CVE-2014-4048 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2014-4048 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-4048?
CVE-2014-4048 primarily affects Digium Asterisk. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-4048?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-4048 published?
CVE-2014-4048 was published on 2014-06-17 and last updated on 2026-06-17.

References

Affected products (13)

More vulnerabilities in Digium Asterisk

All CVEs affecting Digium Asterisk →