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CVE-2021-41018: fortinet fortiweb OS Command Injection

CVSS: 9.0v2.0HighModified
Published 02-02-2022Last modified 25-10-2024
Open JSON

Vulnerability summary

CVE-2021-41018 is a high (CVSS 9.0) OS Command Injection vulnerability in fortinet fortiweb. EPSS estimates a 3.32% chance of exploitation in the next 30 days, higher than 88.4% 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
3.32%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 02-02-2022
    PublishedVulnerability first disclosed.
  2. 25-10-2024
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

3.32%

Chance of exploitation in the next 30 days

Percentile

88%

Versus all other CVEs

30-day change

0.00 pp

From 3.32% on 19-09-2026

19-09-202619-10-2026
EPSS score
3.32%

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

Fortinet1 product
  • fortiweb≥ 6.2.0, < 6.2.7 | ≥ 6.3.0, < 6.3.16 | ≥ 6.4.0, < 6.4.2

1 vendor · 1 product

References

1 links