7.8

CVE-2021-26115: fortinet fortiwan OS Command Injection

CVSS: 7.8v3.1HighAnalyzed
Published 19-12-2024Last modified 20-12-2024

Vulnerability summary

CVE-2021-26115 is a high (CVSS 7.8) OS Command Injection vulnerability in fortinet fortiwan. EPSS estimates a 0.79% chance of exploitation in the next 30 days, higher than 55.4% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.79%
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. 19-12-2024
    PublishedVulnerability first disclosed.
  2. 20-12-2024
    Last modifiedVulnerability information updated.

Description

An OS command injection (CWE-78) vulnerability in FortiWAN version 4.5.7 and below Command Line Interface may allow a local, authenticated and unprivileged attacker to escalate their privileges to root via executing a specially-crafted command.An OS command injection (CWE-78) vulnerability in FortiWAN Command Line Interface may allow a local, authenticated and unprivileged attacker to escalate their privileges to root via executing a specially-crafted command.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.79%

Chance of exploitation in the next 30 days

Percentile

55%

Versus all other CVEs

30-day change

0.00 pp

From 0.79% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.79%

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
  • fortiwan≥ 4.5.0, ≤ 4.5.7 | ≥ 4.4.0, ≤ 4.4.1 | ≥ 4.3.0, ≤ 4.3.1 | ≥ 4.2.5, ≤ 4.2.7 | ≥ 4.2.1, ≤ 4.2.2 | ≥ 4.1.1, ≤ 4.1.3 | ≥ 4.0.0, ≤ 4.0.6 | < 4.5.8

1 vendor · 1 product

References

1 links