Suricata before 4.0.5 stops TCP stream inspection upon a TCP RST from a server.
Priority LOW 37Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
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).
Why it matters now
EPSS 0.01999 80th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:suricata-ids:suricata:*:*:*:*:*:*:*:* | before 4.0.5 | Vulnerable | Suricata-ids |
- cpe:2.3:a:suricata-ids:suricata:*:*:*:*:*:*:*:* Versions before 4.0.5 Vulnerable ·Suricata-ids
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-14568
- 2026-10-03 Alias added: GHSA-cv4x-fvx8-c5xh
References
More Suricata-ids Suricata vulnerabilities
- TI-2019-12341 An issue was discovered in Suricata 4.1.4. CVSS 3.1CRITICAL 9.8
- TI-2019-07379 An issue was discovered in Suricata 4.1.x before 4.1.4. CVSS 3.0CRITICAL 9.8
- TI-2018-04969 Suricata before 4.0.4 is prone to an HTTP detection bypass vulnerability in detect.c and… CVSS 3.0MEDIUM 5.3
- TI-2019-12340 An issue was discovered in Suricata 4.1.4. CVSS 3.1CRITICAL 9.1
- TI-2019-11781 An issue was discovered in app-layer-ssl.c in Suricata 4.1.4. CVSS 3.1CRITICAL 9.1
- TI-2018-13430 The ProcessMimeEntity function in util-decode-mime.c in Suricata 4.x before 4.0.6 allows… CVSS 3.0HIGH 7.5
Sources
- CVE-2018-14568 · CVE Program
- CVE-2018-14568 · NVD
- FIRST EPSS
- GHSA-cv4x-fvx8-c5xh · GitHub Advisory Database · CC BY 4.0
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