Vulnerability in Oisf Suricata

CVE-2019-18792

An issue was discovered in Suricata 5.0.0. It is possible to bypass/evade any tcp based signature by overlapping a TCP segment with a fake FIN packet. The fake FIN packet is injected just before the PUSH ACK packet we want to bypass. The P…

EPSS: 0.025 (83.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-18792?
CVE-2019-18792 is a critical-severity vulnerability in Oisf Suricata, classified under CWE-436. CVSS score: 9.1/10. Published 2020-01-06.
How severe is CVE-2019-18792?
Critical severity. CVSS v3 base score is 9.1 out of 10.