What is CVE-2021-43071?

CVE-2021-43071 is a high-severity vulnerability in Fortinet Fortiweb. CVSS score: 8.8/10. Published 2021-12-09.

How severe is CVE-2021-43071?

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

Vulnerability in Fortinet Fortiweb

CVE-2021-43071

A heap-based buffer overflow in Fortinet FortiWeb version 6.4.1 and 6.4.0, version 6.3.15 and below, version 6.2.6 and below allows attacker to execute unauthorized code or commands via crafted HTTP requests to the LogReport API controller.

EPSS: 0.005 (65.5th 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/E:P/RL:X/RC:C.

Affected products

Fortinet Fortiweb — versions FortiWeb 6.4.1, 6.4.0, 6.3.16, 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, 6.2.6, 6.2.5, 6.2.4, 6.2.3, 6.2.2, 6.2.1, 6.2.0

References

fortiguard.com/advisory/FG-IR-21-188 (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2021-43071?: CVE-2021-43071 is a high-severity vulnerability in Fortinet Fortiweb. CVSS score: 8.8/10. Published 2021-12-09.
How severe is CVE-2021-43071?: High severity. CVSS v3 base score is 8.8 out of 10.