What is CVE-2021-36186?

CVE-2021-36186 is a high-severity vulnerability in Fortinet Fortiweb. CVSS score: 8.8/10. Published 2021-11-02.

How severe is CVE-2021-36186?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Fortinet Fortiweb

CVE-2021-36186

A stack-based buffer overflow in Fortinet FortiWeb version 6.4.0, version 6.3.15 and below, 6.2.5 and below allows attacker to execute unauthorized code or commands via crafted HTTP requests

EPSS: 0.005 (67.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:C.

Affected products

Fortinet Fortiweb — versions FortiWeb 6.4.0, 6.3.15, 6.3.14, 6.3.13, 6.3.12, 6.3.11, 6.3.10, 6.3.9, 6.3.8, 6.3.7, 6.3.6, 6.3.5, 6.3.4, 6.3.3, 6.3.2, 6.3.1, 6.3.0, 6.2.5, 6.2.4, 6.2.3, 6.2.2, 6.2.1, 6.2.0

References

fortiguard.com/advisory/FG-IR-21-119 (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2021-36186?: CVE-2021-36186 is a high-severity vulnerability in Fortinet Fortiweb. CVSS score: 8.8/10. Published 2021-11-02.
How severe is CVE-2021-36186?: High severity. CVSS v3 base score is 8.8 out of 10.