High severity · published Apr 6, 2022
CVE-2021-24009
Multiple improper neutralization of special elements used in an OS command vulnerabilities (CWE-78) in the Web GUI of FortiWAN before 4.5.9 may allow an authenticated attacker to…
8.8
CVSS
1.5%
EPSS
No
On KEV
Description
Multiple improper neutralization of special elements used in an OS command vulnerabilities (CWE-78) in the Web GUI of FortiWAN before 4.5.9 may allow an authenticated attacker to execute arbitrary commands on the underlying system's shell via specifically crafted HTTP requests.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 74% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
Fortiwan · Fortinet
through 4.5.8 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-24009
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-24009
Patch
https://fortiguard.com/psirt/FG-IR-21-060
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