PT-2022-6129 · Fortinet · Fortiweb

Published 2022-02-01 · Updated 2022-02-07 · CVE-2021-43073

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 6.2.6 and below FortiWeb versions 6.3.15 and below FortiWeb versions 6.4.0 and 6.4.1

Description The issue is related to an improper neutralization of special elements used in an os command, also known as 'os command injection', which allows an attacker to execute unauthorized code or commands via crafted HTTP requests. This can be exploited by a remote attacker to execute arbitrary code or commands.

Recommendations For FortiWeb versions 6.2.6 and below, update to a version above 6.2.6 to resolve the issue. For FortiWeb versions 6.3.15 and below, update to a version above 6.3.15 to resolve the issue. For FortiWeb versions 6.4.0 and 6.4.1, update to a version above 6.4.1 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:2023-00082

CVE-2021-43073

Affected Products

Fortiweb

References · 6

• https://fortiguard.com/advisory/FG-IR-21-180 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-00082 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-43073 · Security Note
• https://osv.dev/vulnerability/CVE-2021-43073 · Vendor Advisory
• https://t.me/cibsecurity/36702 · Telegram Post
• https://t.me/cvenotify/26157 · Telegram Post