In Asterisk 11.x before 11.25.3, 13.x before 13.17.2, and 14.x before 14.6.2 and Certified Asterisk 11.x before 11.6-cert18 and 13.x before 13.13-cert6, insufficient RTCP packet validation could allow reading stale buffer contents and when combined with the "nat" and "symmetric_rtp" options allow redirecting where Asterisk sends the next RTCP report
Published Oct 9, 2017
7.5
HIGHCVSS 3.0
EPSS 3.16%
Description
In Asterisk 11.x before 11.25.3, 13.x before 13.17.2, and 14.x before 14.6.2 and Certified Asterisk 11.x before 11.6-cert18 and 13.x before 13.13-cert6, insufficient RTCP packet validation could allow reading stale buffer contents and when combined with the "nat" and "symmetric_rtp" options allow redirecting where Asterisk sends the next RTCP report.
Affected products
No data.
Configuration 1
- 13.0.0
- 13.0.0
- 13.0.0
- 13.0.0
- 13.0.1
- 13.0.2
- 13.1.0
- 13.1.0
- 13.1.0
- 13.1.1
- 13.2.0
- 13.2.0
- 13.2.1
- 13.3.0
- 13.3.2
- 13.4.0
- 13.4.0
- 13.5.0
- 13.5.0
- 13.6.0
- 13.7.0
- 13.7.0
- 13.7.1
- 13.7.2
- 13.8.0
- 13.8.0
- 13.8.1
- 13.8.2
- 13.9.0
- 13.9.1
- 13.10.0
- 13.10.0
- 13.11.0
- 13.11.1
- 13.11.2
- 13.12
- 13.12.0
- 13.12.1
- 13.12.2
- 13.13
- 13.13.0
- 13.13.1
- 13.14.0
- 13.14.0
- 13.14.0
- 13.14.1
- 13.15.0
- 13.15.0
- 13.15.0
- 13.15.0
- 13.15.1
- 13.16.0
- 13.16.0
- 13.16.0
- 13.17.0
- 13.17.0
Configuration 2
- 14.0
- 14.0.0
- 14.0.0
- 14.0.0
- 14.0.0
- 14.0.0
- 14.0.1
- 14.0.2
- 14.1
- 14.01
- 14.1.0
- 14.1.1
- 14.1.2
- 14.02
- 14.2
- 14.2.0
- 14.2.1
- 14.3.0
- 14.3.0
- 14.3.0
- 14.3.1
- 14.4.0
- 14.4.0
- 14.4.0
- 14.4.0
- 14.4.1
- 14.5.0
- 14.5.0
- 14.5.0
- 14.6.0
- 14.6.0
Configuration 3
- 11.0.0
- 11.0.0
- 11.0.0
- 11.0.0
- 11.0.0
- 11.0.1
- 11.0.2
- 11.1.0
- 11.1.0
- 11.1.0
- 11.1.0
- 11.1.1
- 11.1.2
- 11.2.0
- 11.2.1
- 11.2.2
- 11.4.0
- 11.6.0
- 11.6.0
- 11.6.0
- 11.6.1
- 11.7.0
- 11.7.0
- 11.7.0
- 11.8.0
- 11.8.0
- 11.8.0
- 11.8.0
- 11.8.1
- 11.9.0
- 11.9.0
- 11.9.0
- 11.9.0
- 11.10.0
- 11.10.0
- 11.10.1
- 11.10.1
- 11.10.2
- 11.11.0
- 11.11.0
- 11.12.0
- 11.12.0
- 11.12.1
- 11.13.0
- 11.13.0
- 11.13.1
- 11.14.0
- 11.14.0
- 11.14.0
- 11.14.1
- 11.14.2
- 11.15.0
- 11.15.0
- 11.15.1
- 11.16.0
- 11.17.0
- 11.17.1
- 11.18.0
- 11.18.0
- 11.19.0
- 11.20.0
- 11.21.0
- 11.21.0
- 11.21.1
- 11.21.2
- 11.22.0
- 11.22.0
- 11.23.0
- 11.23.0
- 11.23.1
- 11.24.0
- 11.24.1
- 11.25.0
- 11.25.1
Configuration 4
- 11.6
- 11.6
- 11.6
- 11.6
- 11.6
- 11.6
- 11.6
- 11.6
- 11.6
- 11.6
- 11.6
- 11.6
- 11.6
- 11.6
- 11.6
- 11.6
- 11.6
- 11.6
- 11.6
- 11.6
Configuration 5
- 13.13
- 13.13
- 13.13
- 13.13
- 13.13
- 13.13
- 13.13
- 13.13
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.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
AV:N/AC:L/Au:N/C:P/I:N/A:N
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 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- 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 2, 2026 | 3.16% (0.03156) | 87.53th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.16% (0.03156) | 86.26th | v5 (v2026.06.15) |
| Jul 30, 2025 | 0.63% (0.00631) | 69.40th | v4 (v2025.03.14) |
| Mar 29, 2025 | 1.68% (0.01676) | 70.71th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.64% (0.00641) | 68.84th | v4 (v2025.03.14) |
| Dec 17, 2024 | 2.43% (0.02431) | 89.66th | v3 (v2023.03.01) |
| May 8, 2023 | 0.19% (0.00192) | 55.16th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.35% (0.00351) | 67.35th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.92% (0.01923) | 78.00th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.92% (0.01923) | 76.01th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.92% (0.01923) | 55.17th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.83% (0.00833) | 24.58th | v1 |
| Jan 6, 2022 | 0.83% (0.00833) | 23.96th | v1 |
| Sep 1, 2021 | 0.83% (0.00833) | 57.50th | v1 |
| Apr 14, 2021 | 0.83% (0.00833) | 0.00th | v1 |
References (3)
- http://downloads.asterisk.org/pub/security/AST-2017-008.html x_refsource_CONFIRMVendor Advisory
- http://www.debian.org/security/2017/dsa-3990 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- https://issues.asterisk.org/jira/browse/ASTERISK-27274 x_refsource_CONFIRMIssue TrackingThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://downloads.asterisk.org/pub/security/AST-2017-008.html | x_refsource_CONFIRMVendor Advisory | |
| http://www.debian.org/security/2017/dsa-3990 | vendor-advisoryx_refsource_DEBIANThird Party Advisory | |
| https://issues.asterisk.org/jira/browse/ASTERISK-27274 | x_refsource_CONFIRMIssue TrackingThird Party Advisory |
Change history (0)
No recorded changes yet.