Suricata before 4.0.5 stops TCP stream inspection upon a TCP RST from a server
Published Jul 23, 2018
7.5
HIGHCVSS 3.0
EPSS 2.00%
Description
Suricata before 4.0.5 stops TCP stream inspection upon a TCP RST from a server. This allows detection bypass because Windows TCP clients proceed with normal processing of TCP data that arrives shortly after an RST (i.e., they act as if the RST had not yet been received).
Affected products
No data.
- < 4.0.5
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:N/I:H/A:N
AV:N/AC:L/Au:N/C:N/I:P/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 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.00% (0.01999) | 79.98th | v5 (v2026.06.15) |
| Sep 20, 2026 | 2.00% (0.01999) | 79.82th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.18% (0.00183) | 56.02th | v3 (v2023.03.01) |
| May 7, 2024 | 0.18% (0.00183) | 55.28th | v3 (v2023.03.01) |
| Mar 11, 2024 | 0.26% (0.00261) | 65.09th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.29% (0.00288) | 68.00th | v3 (v2023.03.01) |
| Dec 14, 2023 | 0.29% (0.00288) | 65.41th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.24% (0.00239) | 61.26th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.27% (0.00266) | 62.38th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.04% (0.01040) | 28.32th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.04% (0.01040) | 0.00th | v1 |
No CWE recorded.
References (4)
- https://github.com/OISF/suricata/pull/3428/commits/843d0b7a10bb45627f94764a6c5d468a24143345 x_refsource_MISCPatchThird Party Advisory
- https://github.com/kirillwow/ids_bypass x_refsource_MISCExploitThird Party Advisory
- https://redmine.openinfosecfoundation.org/issues/2501 x_refsource_MISCExploitThird Party Advisory
- https://suricata-ids.org/2018/07/18/suricata-4-0-5-available/ x_refsource_MISCVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/OISF/suricata/pull/3428/commits/843d0b7a10bb45627f94764a6c5d468a24143345 | x_refsource_MISCPatchThird Party Advisory | |
| https://github.com/kirillwow/ids_bypass | x_refsource_MISCExploitThird Party Advisory | |
| https://redmine.openinfosecfoundation.org/issues/2501 | x_refsource_MISCExploitThird Party Advisory | |
| https://suricata-ids.org/2018/07/18/suricata-4-0-5-available/ | x_refsource_MISCVendor Advisory |
Change history (0)
No recorded changes yet.