High severity · published Jul 12, 2021
CVE-2021-24015
An improper neutralization of special elements used in an OS Command vulnerability in the administrative interface of FortiMail before 6.4.4 may allow an authenticated attacker to…
8.8
CVSS
1.2%
EPSS
No
On KEV
Description
An improper neutralization of special elements used in an OS Command vulnerability in the administrative interface of FortiMail before 6.4.4 may allow an authenticated attacker to execute unauthorized commands 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)1.2% · higher than 67% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
Fortimail · Fortinet
5.4.0 through 5.4.12; 6.0.0 before 6.0.11; 6.2.0 before 6.2.7; 6.4.0 before 6.4.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-24015
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-24015
Vendor Advisory
https://fortiguard.com/advisory/FG-IR-21-021
More from Fortimail
9.8
CVE-2026-104286
Fortinet FortiMail Path Traversal Vulnerability
9.8
CVE-2025-32756
Fortinet Multiple Products Stack-Based Buffer Overflow Vulnerability
9.8
CVE-2023-47539
An improper access control vulnerability in FortiMail version 7.4.0 configured with RADIUS authentication and remote_wildcard enabled may allow a remote unauthenticated attacker…
9.8
CVE-2021-32586
An improper input validation vulnerability in the web server CGI facilities of FortiMail before 7.0.1 may allow an unauthenticated attacker to alter the environment of the…
9.8
CVE-2021-36166
An improper authentication vulnerability in FortiMail before 7.0.1 may allow a remote attacker to efficiently guess one administrative account's authentication token by means of…
