The PJSIP channel driver in Asterisk Open Source 12.x before 12.1.1, when qualify_frequency "is enabled on an AOR and the remote SIP server challenges for authentication of the resulting OPTIONS request," allows remote attackers to cause a denial of service (crash) via a PJSIP endpoint that does not have an associated outgoing request
Published Apr 18, 2014
4.3
MEDIUMCVSS 2.0
EPSS 4.35%
Description
The PJSIP channel driver in Asterisk Open Source 12.x before 12.1.1, when qualify_frequency "is enabled on an AOR and the remote SIP server challenges for authentication of the resulting OPTIONS request," allows remote attackers to cause a denial of service (crash) via a PJSIP endpoint that does not have an associated outgoing request.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.35% (0.04350) | 90.92th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.32% (0.04315) | 89.86th | v5 (v2026.06.15) |
| Dec 2, 2025 | 7.48% (0.07478) | 91.46th | v4 (v2025.03.14) |
| Mar 30, 2025 | 29.88% (0.29877) | 96.24th | v4 (v2025.03.14) |
| Mar 29, 2025 | 37.40% (0.37404) | 95.70th | v4 (v2025.03.14) |
| Mar 23, 2025 | 29.88% (0.29877) | 96.09th | v4 (v2025.03.14) |
| Mar 17, 2025 | 15.22% (0.15216) | 94.09th | v4 (v2025.03.14) |
| Dec 17, 2024 | 7.19% (0.07194) | 93.96th | v3 (v2023.03.01) |
| Apr 16, 2024 | 1.80% (0.01803) | 87.95th | v3 (v2023.03.01) |
| Oct 13, 2023 | 2.53% (0.02534) | 88.94th | v3 (v2023.03.01) |
| Aug 23, 2023 | 9.36% (0.09357) | 93.94th | v3 (v2023.03.01) |
| Mar 7, 2023 | 12.66% (0.12663) | 94.52th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
References (5)
- http://downloads.asterisk.org/pub/security/AST-2014-003-12.diff x_refsource_MISCPatch
- http://downloads.asterisk.org/pub/security/AST-2014-003.html x_refsource_CONFIRMVendor Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2014-March/130400.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2014-March/130426.html vendor-advisoryx_refsource_FEDORA
- https://issues.asterisk.org/jira/browse/ASTERISK-23210 x_refsource_CONFIRM
| Link | Providers | Tags |
|---|---|---|
| http://downloads.asterisk.org/pub/security/AST-2014-003-12.diff | x_refsource_MISCPatch | |
| http://downloads.asterisk.org/pub/security/AST-2014-003.html | x_refsource_CONFIRMVendor Advisory | |
| http://lists.fedoraproject.org/pipermail/package-announce/2014-March/130400.html | vendor-advisoryx_refsource_FEDORA | |
| http://lists.fedoraproject.org/pipermail/package-announce/2014-March/130426.html | vendor-advisoryx_refsource_FEDORA | |
| https://issues.asterisk.org/jira/browse/ASTERISK-23210 | x_refsource_CONFIRM |
Change history (0)
No recorded changes yet.