Asterisk Open Source 12.x before 12.8.1 and 13.x before 13.1.1, when using the PJSIP channel driver, does not properly reclaim RTP ports, which allows remote authenticated users to cause a denial of service (file descriptor consumption) via an SDP offer containing only incompatible codecs
Published Feb 9, 2015
3.5
LOWCVSS 2.0
EPSS 3.03%
Description
Asterisk Open Source 12.x before 12.8.1 and 13.x before 13.1.1, when using the PJSIP channel driver, does not properly reclaim RTP ports, which allows remote authenticated users to cause a denial of service (file descriptor consumption) via an SDP offer containing only incompatible codecs.
Affected products
No data.
- 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
- 12.3.0
- 12.3.1
- 12.3.2
- 12.4.0
- 12.4.0
- 12.5.0
- 12.5.0
- 12.6.0
- 12.6.0
- 12.7.0
- 12.7.0
- 12.7.0
- 12.8.0
- 12.8.0
- 12.8.0
- 12.8.1
- 13.0.0
- 13.1.0
- 13.1.0
- 13.1.0
- 13.2.0
- 13.2.0
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:S/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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.03% (0.03030) | 87.02th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.03% (0.03030) | 85.72th | v5 (v2026.06.15) |
| May 23, 2026 | 15.67% (0.15669) | 94.79th | v4 (v2025.03.14) |
| Apr 17, 2025 | 17.45% (0.17453) | 94.65th | v4 (v2025.03.14) |
| Mar 30, 2025 | 19.03% (0.19031) | 94.84th | v4 (v2025.03.14) |
| Mar 29, 2025 | 22.92% (0.22916) | 93.37th | v4 (v2025.03.14) |
| Mar 17, 2025 | 19.03% (0.19031) | 94.85th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.70% (0.00705) | 81.01th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.70% (0.00705) | 79.72th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.70% (0.00705) | 77.28th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.13% (0.01132) | 56.11th | v2 (v2022.01.01) |
| Sep 22, 2022 | 1.13% (0.01132) | 54.59th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.13% (0.01132) | 52.58th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.13% (0.01132) | 30.65th | v2 (v2022.01.01) |
References (4)
- http://downloads.asterisk.org/pub/security/AST-2015-001.html x_refsource_CONFIRMVendor Advisory
- http://seclists.org/fulldisclosure/2015/Jan/116 mailing-listx_refsource_FULLDISC
- http://www.securityfocus.com/archive/1/534573/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securitytracker.com/id/1031661 vdb-entryx_refsource_SECTRACK
| Link | Providers | Tags |
|---|---|---|
| http://downloads.asterisk.org/pub/security/AST-2015-001.html | x_refsource_CONFIRMVendor Advisory | |
| http://seclists.org/fulldisclosure/2015/Jan/116 | mailing-listx_refsource_FULLDISC | |
| http://www.securityfocus.com/archive/1/534573/100/0/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.securitytracker.com/id/1031661 | vdb-entryx_refsource_SECTRACK |
Change history (0)
No recorded changes yet.