High severity · published Apr 6, 2022
CVE-2021-22127
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…
8.0
CVSS
0.5%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 43% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
Forticlient · Fortinet
before 6.2.9; 6.4.0 before 6.4.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-22127
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-22127
Vendor Advisory
https://fortiguard.com/advisory/FG-IR-20-241
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