Medium severity · published Feb 15, 2024
CVE-2023-47537
An improper certificate validation vulnerability in Fortinet FortiOS 7.4.0 through 7.4.1, FortiOS 7.2.0 through 7.2.6, FortiOS 7.0.0 through 7.0.15, FortiOS 6.4 all versions …
4.8
CVSS
0.2%
EPSS
No
On KEV
Description
An improper certificate validation vulnerability in Fortinet FortiOS 7.4.0 through 7.4.1, FortiOS 7.2.0 through 7.2.6, FortiOS 7.0.0 through 7.0.15, FortiOS 6.4 all versions allows a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the FortiLink communication channel between the FortiOS device and FortiSwitch.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 12% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
FortiOS · Fortinet
7.0.0 before 7.0.14; 7.2.0 through 7.2.6; 7.4.0; 7.4.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-47537
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-47537
Vendor Advisory
https://fortiguard.com/psirt/FG-IR-23-301
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