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Case File

CVE-2018-6794

MEDIUM · CVSS 5.3 EPSS 24.29% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2018-02-07 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.3. It affects Linux. Public exploit code or proof-of-concept references have been detected in its references. Its EPSS score suggests a 24.3% probability of exploitation in the next 30 days.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
External Security References

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2018-6794
Severity
MEDIUM
CVSS
5.3
EPSS
24.29%
Linux

Original NVD Description

Suricata before 4.0.4 is prone to an HTTP detection bypass vulnerability in detect.c and stream-tcp.c. If a malicious server breaks a normal TCP flow and sends data before the 3-way handshake is complete, then the data sent by the malicious server will be accepted by web clients such as a web browser or Linux CLI utilities, but ignored by Suricata IDS signatures. This mostly affects IDS signatures for the HTTP protocol and TCP stream content; signatures for TCP packets will inspect such network traffic as usual.

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