CVE-2019-18792 is a critical vulnerability in Suricata 5.0.0, affecting Debian Linux and OISF Suricata, that allows attackers to bypass TCP-based intrusion detection signatures. This is achieved by injecting a fake FIN packet that causes Suricata to ignore legitimate data-carrying packets, while client systems remain unaffected. With a CVSS score of 9.1 (CRITICAL), this network-exploitable vulnerability requires low attack complexity and can lead to high impacts on integrity and availability. There is currently no evidence of active exploitation, nor are there publicly available exploit modules or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 4.1.5, < 4.1.6CPE matchmatch criteria | cpe:2.3:a:oisf:suricata:*:*:*:*:*:*:*:* | ||
5.0.0CPE matchmatch criteria | cpe:2.3:a:oisf:suricata:5.0.0:*:*:*:*:*:*:* | ||
8.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
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The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.