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
Published Jun 17, 2014
4.3
MEDIUMCVSS 2.0
EPSS 2.77%
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.
Affected products
No data.
- ≤ 12.3.0
- 12.0.0
- 12.1.0
- 12.1.0
- 12.1.0
- 12.1.0
- 12.1.1
- 12.2.0
- 12.2.0
- 12.2.0
- 12.2.0
- 12.3.0
- 12.3.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
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 (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.77% (0.02769) | 85.80th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.77% (0.02769) | 84.36th | v5 (v2026.06.15) |
| Jan 31, 2026 | 1.64% (0.01637) | 81.54th | v4 (v2025.03.14) |
| Mar 30, 2025 | 6.67% (0.06670) | 90.31th | v4 (v2025.03.14) |
| Mar 29, 2025 | 9.25% (0.09247) | 87.75th | v4 (v2025.03.14) |
| Mar 19, 2025 | 6.67% (0.06670) | 90.06th | v4 (v2025.03.14) |
| Mar 17, 2025 | 5.21% (0.05212) | 89.22th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.76% (0.00760) | 81.81th | v3 (v2023.03.01) |
| Jun 15, 2024 | 0.76% (0.00760) | 81.20th | v3 (v2023.03.01) |
| Apr 7, 2024 | 1.07% (0.01075) | 83.99th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.07% (0.01075) | 81.99th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
No CWE recorded.
References (3)
- http://downloads.asterisk.org/pub/security/AST-2014-008.html x_refsource_CONFIRMPatchVendor Advisory
- http://packetstormsecurity.com/files/127090/Asterisk-Project-Security-Advisory-AST-2014-008.html x_refsource_MISC
- http://www.securityfocus.com/archive/1/532416/100/0/threaded mailing-listx_refsource_BUGTRAQ
| Link | Providers | Tags |
|---|---|---|
| http://downloads.asterisk.org/pub/security/AST-2014-008.html | x_refsource_CONFIRMPatchVendor Advisory | |
| http://packetstormsecurity.com/files/127090/Asterisk-Project-Security-Advisory-AST-2014-008.html | x_refsource_MISC | |
| http://www.securityfocus.com/archive/1/532416/100/0/threaded | mailing-listx_refsource_BUGTRAQ |
Change history (0)
No recorded changes yet.