High severity · published Aug 4, 2021
CVE-2021-26096
Multiple instances of heap-based buffer overflow in the command shell of FortiSandbox before 4.0.0 may allow an authenticated attacker to manipulate memory and alter its content…
8.8
CVSS
0.8%
EPSS
No
On KEV
Description
Multiple instances of heap-based buffer overflow in the command shell of FortiSandbox before 4.0.0 may allow an authenticated attacker to manipulate memory and alter its content by means of specifically crafted command line arguments.
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)0.8% · higher than 55% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
Fortisandbox · Fortinet
through 3.1.4; 3.2.0 before 3.2.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-26096
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-26096
Vendor Advisory
https://fortiguard.com/advisory/FG-IR-20-188
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