PT-2022-6128 · Fortinet · Fortiweb

Published 2022-02-01 · Updated 2022-02-04 · CVE-2021-41018

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions FortiWeb versions 6.4.1 and below FortiWeb versions 6.3.15 and below

Description The issue exists due to improper neutralization of special elements used in an operating system command, allowing for os command injection. This can be exploited by a remote attacker using a specially crafted HTTP request to execute unauthorized code or commands.

Recommendations For FortiWeb versions 6.4.1 and below, update to a version above 6.4.1 to resolve the issue. For FortiWeb versions 6.3.15 and below, update to a version above 6.3.15 to resolve the issue. As a temporary workaround, consider restricting access to the vulnerable os command injection functionality until a patch is available.

Fix

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

BDU:2023-00081

CVE-2021-41018

Affected Products

Fortiweb

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2021-41018 · Security Note
• https://osv.dev/vulnerability/CVE-2021-41018 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-00081 · Security Note
• https://fortiguard.com/advisory/FG-IR-21-166 · Vendor Advisory
• https://t.me/cibsecurity/36695 · Telegram Post