PT-2021-21167 · Fortinet · Fortiweb

Published 2021-11-02 · Updated 2021-11-04 · CVE-2021-36186

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions FortiWeb versions 6.4.0, 6.3.15 and below, 6.2.5 and below

Description A stack-based buffer overflow allows an attacker to execute unauthorized code or commands via crafted HTTP requests.

Recommendations For FortiWeb version 6.4.0, update to a version that fixes the issue. For FortiWeb versions 6.3.15 and below, update to a version that fixes the issue. For FortiWeb versions 6.2.5 and below, update to a version that fixes the issue.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2021-36186

Affected Products

Fortiweb

References · 4

• https://osv.dev/vulnerability/CVE-2021-36186 · Vendor Advisory
• https://fortiguard.com/advisory/FG-IR-21-119 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-36186 · Security Note
• https://t.me/cibsecurity/31634 · Telegram Post