7.8

CVE-2021-41031: fortinet forticlient Path Traversal

CVSS: 7.8v3.1HighModified
Published 18-07-2022Last modified 25-10-2024

Vulnerability summary

CVE-2021-41031 is a high (CVSS 7.8) Path Traversal vulnerability in fortinet forticlient. EPSS estimates a 0.47% chance of exploitation in the next 30 days, higher than 39.6% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.47%
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. 18-07-2022
    PublishedVulnerability first disclosed.
  2. 25-10-2024
    Last modifiedVulnerability information updated.

Description

A relative path traversal vulnerability [CWE-23] in FortiClient for Windows versions 7.0.2 and prior, 6.4.6 and prior and 6.2.9 and below may allow a local unprivileged attacker to escalate their privileges to SYSTEM via the named pipe responsible for FortiESNAC service.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.47%

Chance of exploitation in the next 30 days

Percentile

40%

Versus all other CVEs

30-day change

0.00 pp

From 0.47% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.47%

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
  • forticlient≥ 6.2.0, ≤ 6.2.9 | ≥ 6.4.0, ≤ 6.4.6 | ≥ 7.0.0, ≤ 7.0.2
  • fortinet forticlientwindowsFortiClientWindows 7.0.2, 7.0.1, 7.0.0, 6.4.6, 6.4.5, 6.4.4, 6.4.3, 6.4.2, 6.4.1, 6.4.0, 6.2.9, 6.2.8, 6.2.7, 6.2.6, 6.2.5, 6.2.4, 6.2.3, 6.2.2, 6.2.1, 6.2.0

1 vendor · 2 products

References

1 links