High severity · published Jun 1, 2021
CVE-2021-22123
An OS command injection vulnerability in FortiWeb's management interface 6.3.7 and below, 6.2.3 and below, 6.1.x, 6.0.x, 5.9.x may allow a remote authenticated attacker to execute…
8.8
CVSS
84.4%
EPSS
No
On KEV
Description
An OS command injection vulnerability in FortiWeb's management interface 6.3.7 and below, 6.2.3 and below, 6.1.x, 6.0.x, 5.9.x may allow a remote authenticated attacker to execute arbitrary commands on the system via the SAML server configuration page.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)84.4% · higher than 100% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
Fortiweb · Fortinet
5.9.0 before 6.2.4; 6.3.0 before 6.3.8 · source: NVD
Affected product
FO
Fortiweb
Fortinet
More from Fortiweb
9.8
CVE-2026-24858
Fortinet Multiple Products Authentication Bypass Using an Alternate Path or Channel Vulnerability
9.8
CVE-2025-64446
Fortinet FortiWeb Path Traversal Vulnerability
9.8
CVE-2025-25257
Fortinet FortiWeb SQL Injection Vulnerability
7.2
CVE-2025-58034
Fortinet FortiWeb OS Command Injection Vulnerability
9.8
CVE-2026-26035
An Improper Authentication vulnerability [CWE-287] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, FortiWeb 7.6.0 through 7.6.6, FortiWeb 7.4.0 through 7.4.11, FortiWeb…