Medium severity · published Mar 9, 2023
CVE-2023-26208
A improper restriction of excessive authentication attempts vulnerability [CWE-307] in Fortinet FortiAuthenticator 6.4.x and before allows a remote unauthenticated attacker to…
5.3
CVSS
1.8%
EPSS
No
On KEV
Description
A improper restriction of excessive authentication attempts vulnerability [CWE-307] in Fortinet FortiAuthenticator 6.4.x and before allows a remote unauthenticated attacker to partially exhaust CPU and memory via sending numerous HTTP requests to the login form.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.8% · higher than 79% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
Fortiauthenticator · Fortinet
5.4.0 before 6.5.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-26208
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-26208
Vendor Advisory
https://fortiguard.com/psirt/FG-IR-20-078
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