CVE-2021-41018

published 2022-02-02

CVE-2021-41018: A improper neutralization of special elements used in an os command ('os command injection') in Fortinet FortiWeb version 6.4.1 and below, 6.3.15 and below…

Priority P2 65 high 8.8 CVSS 3.1

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

A improper neutralization of special elements used in an os command ('os command injection') in Fortinet FortiWeb version 6.4.1 and below, 6.3.15 and below allows attacker to execute unauthorized code or commands via crafted HTTP requests.

Affected

5 ranges

Vendor	Product	Version range	Fixed in
fortinet	fortinet	—	—
fortinet	fortiweb	—	—
fortinet	fortiweb	>= 6.2.0 < 6.2.7	6.2.7
fortinet	fortiweb	>= 6.3.0 < 6.3.16	6.3.16
fortinet	fortiweb	>= 6.4.0 < 6.4.2	6.4.2

Detection & IOCs extracted from sources · hover to see the quote

• → Vulnerability is triggered via crafted HTTP requests to Fortinet FortiWeb; monitor for anomalous or malformed HTTP requests targeting FortiWeb management interfaces ↗
• → OS command injection (CWE-78) in FortiWeb; inspect HTTP request parameters for shell metacharacters or command injection payloads directed at FortiWeb endpoints ↗

• · Affected versions are FortiWeb 6.4.1 and below, and 6.3.15 and below; ensure patching targets both branches ↗

CVSS provenance

nvd v3.1 8.8 HIGH CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

nvd v2.0 9.0 CRITICAL AV:N/AC:L/Au:S/C:C/I:C/A:C

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CWE-78