9

CVE-2021-22123: fortinet fortinet fortiweb OS Command Injection

CVSS: 9.0v2.0HighModified
Published 01-06-2021Last modified 25-10-2024
Open JSON

Vulnerability summary

CVE-2021-22123 is a high (CVSS 9.0) OS Command Injection vulnerability in fortinet fortinet fortiweb. EPSS estimates a 84.40% chance of exploitation in the next 30 days, higher than 99.7% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.0/10
010
High · v2.0 (NVD)
EPSS score
84.40%
0%100%
Critical · +7.13 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 01-06-2021
    PublishedVulnerability first disclosed.
  2. 25-10-2024
    Last modifiedVulnerability information updated.

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 metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

84.40%

Chance of exploitation in the next 30 days

Percentile

100%

Versus all other CVEs

30-day change

+7.13 pp

From 77.27% on 21-09-2026

21-09-202621-10-2026
EPSS score
84.40%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Fortinet2 products
  • fortinet fortiwebFortiWeb 6.3.7 and below, 6.2.3 and below, 6.1.x, 6.0.x, 5.9.x
  • fortiweb≥ 5.9.0, < 6.2.4 | ≥ 6.3.0, < 6.3.8

1 vendor · 2 products

References

1 links