What is CVE-2021-36194?

CVE-2021-36194 is a high-severity vulnerability in Fortinet Fortiweb, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2021-12-09.

How severe is CVE-2021-36194?

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

Buffer overflow in Fortinet Fortiweb

CVE-2021-36194

Multiple stack-based buffer overflows in the API controllers of FortiWeb 6.4.1, 6.4.0, and 6.3.0 through 6.3.15 may allow an authenticated attacker to achieve arbitrary code execution via specially crafted requests.

Vulnerability class: Buffer Overflow

EPSS: 0.014 (69.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Fortinet Fortiweb — versions FortiWeb 6.4.1, 6.4.0, and 6.3.0 through 6.3.15
Fortinet Fortiweb — versions 6.4.0, 6.4.1

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

psirt@fortinet.com (x_refsource_CONFIRM, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2021-36194?: CVE-2021-36194 is a high-severity vulnerability in Fortinet Fortiweb, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2021-12-09.
How severe is CVE-2021-36194?: High severity. CVSS v3 base score is 8.8 out of 10.