CVE-2021-26115: fortinet fortiwan OS Command Injection
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.
Timeline
- 19-12-2024PublishedVulnerability first disclosed.
- 20-12-2024Last 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- CVE.orgCNA7.6HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:X/RC:CDiffers
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
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected 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- fortiguard.fortinet.com/psirt/FG-IR-21-069Vendor Advisory