High severity · published Mar 24, 2025
CVE-2021-26105
A stack-based buffer overflow vulnerability (CWE-121) in the profile parser of FortiSandbox version 3.2.2 and below, version 3.1.4 and below may allow an authenticated attacker to…
8.8
CVSS
0.5%
EPSS
No
On KEV
Description
A stack-based buffer overflow vulnerability (CWE-121) in the profile parser of FortiSandbox version 3.2.2 and below, version 3.1.4 and below may allow an authenticated attacker to potentially execute unauthorized code or 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)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
FortiSandbox · Fortinet
3.2.2; 3.1.4 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-26105
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-26105
Vendor Advisory
https://fortiguard.fortinet.com/psirt/FG-IR-20-234
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