CVE-2021-22127: fortinet forticlient OS Command Injection
CVSS: 8.0v3.1HighModified
Published 06-04-2022Last modified 25-10-2024
Vulnerability summary
CVE-2021-22127 is a high (CVSS 8.0) OS Command Injection vulnerability in fortinet forticlient. EPSS estimates a 0.51% chance of exploitation in the next 30 days, higher than 42% of scored vulnerabilities.
CVSS score
8.0/10
010
High · v3.1 (NVD)EPSS score
0.51%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 06-04-2022PublishedVulnerability first disclosed.
- 25-10-2024Last modifiedVulnerability information updated.
Description
An improper input validation vulnerability in FortiClient for Linux 6.4.x before 6.4.3, FortiClient for Linux 6.2.x before 6.2.9 may allow an unauthenticated attacker to execute arbitrary code on the host operating system as root via tricking the user into connecting to a network with a malicious name.
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 8.0Preferred score · NVD (NIST)
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSources2 sources · 7.1–8.0
- CVE.orgCNA7.1HighCVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:X/RC:XDiffers
High 7.9Preferred score · NVD (NIST)
AV:A/AC:M/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
0.51%
Chance of exploitation in the next 30 days
Percentile
42%
Versus all other CVEs
30-day change
0.00 pp
From 0.51% on 19-09-2026
19-09-202619-10-2026
EPSS score0.51%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Fortinet2 products
- forticlient< 6.2.9 | ≥ 6.4.0, < 6.4.3
- fortinet forticlientlinuxFortiClientLinux 6.4.2 and below, FortiClientLinux 6.2.8 and below
1 vendor · 2 products