An issue was discovered in Asterisk Open Source 15.x before 15.4.1
Published Jun 12, 2018
6.5
MEDIUMCVSS 3.0
EPSS 6.70%
Description
An issue was discovered in Asterisk Open Source 15.x before 15.4.1. When connected to Asterisk via TCP/TLS, if the client abruptly disconnects, or sends a specially crafted message, then Asterisk gets caught in an infinite loop while trying to read the data stream. This renders the system unusable.
Affected products
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:L/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/Au:S/C:N/I:N/A:C
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 v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Table of values (26 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 6.70% (0.06698) | 93.72th | v5 (v2026.06.15) |
| Sep 22, 2026 | 6.70% (0.06698) | 93.61th | v5 (v2026.06.15) |
| Sep 21, 2026 | 5.64% (0.05644) | 92.66th | v5 (v2026.06.15) |
| Sep 6, 2026 | 6.70% (0.06698) | 93.46th | v5 (v2026.06.15) |
| Sep 5, 2026 | 5.64% (0.05644) | 92.51th | v5 (v2026.06.15) |
| Aug 30, 2026 | 6.70% (0.06698) | 93.43th | v5 (v2026.06.15) |
| Aug 28, 2026 | 5.64% (0.05644) | 92.46th | v5 (v2026.06.15) |
| Aug 24, 2026 | 6.70% (0.06698) | 93.39th | v5 (v2026.06.15) |
| Aug 23, 2026 | 5.64% (0.05644) | 92.43th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.78% (0.06783) | 93.14th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.68% (0.00682) | 80.22th | v3 (v2023.03.01) |
| May 3, 2024 | 0.68% (0.00682) | 79.88th | v3 (v2023.03.01) |
| Jan 6, 2024 | 0.68% (0.00682) | 77.84th | v3 (v2023.03.01) |
| Nov 24, 2023 | 1.36% (0.01363) | 84.74th | v3 (v2023.03.01) |
| Oct 12, 2023 | 1.92% (0.01921) | 87.26th | v3 (v2023.03.01) |
| Jun 24, 2023 | 3.78% (0.03776) | 90.55th | v3 (v2023.03.01) |
| Jun 6, 2023 | 5.97% (0.05974) | 92.36th | v3 (v2023.03.01) |
| Mar 7, 2023 | 5.26% (0.05261) | 91.81th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.76% (0.01760) | 76.30th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.76% (0.01760) | 76.25th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.76% (0.01760) | 74.18th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.76% (0.01760) | 53.43th | 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-2018-007.html x_refsource_CONFIRMVendor Advisory
- http://www.securityfocus.com/bid/104457 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://issues.asterisk.org/jira/browse/ASTERISK-27807 x_refsource_CONFIRMExploitVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://downloads.asterisk.org/pub/security/AST-2018-007.html | x_refsource_CONFIRMVendor Advisory | |
| http://www.securityfocus.com/bid/104457 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://issues.asterisk.org/jira/browse/ASTERISK-27807 | x_refsource_CONFIRMExploitVendor Advisory |
Change history (0)
No recorded changes yet.