Medium severity · published Jun 13, 2023
CVE-2023-33305
A loop with unreachable exit condition ('infinite loop') in Fortinet FortiOS version 7.2.0 through 7.2.4, FortiOS version 7.0.0 through 7.0.10, FortiOS 6.4 all versions, FortiOS…
6.5
CVSS
0.8%
EPSS
No
On KEV
Description
A loop with unreachable exit condition ('infinite loop') in Fortinet FortiOS version 7.2.0 through 7.2.4, FortiOS version 7.0.0 through 7.0.10, FortiOS 6.4 all versions, FortiOS 6.2 all versions, FortiOS 6.0 all versions, FortiProxy version 7.2.0 through 7.2.3, FortiProxy version 7.0.0 through 7.0.9, FortiProxy 2.0 all versions, FortiProxy 1.2 all versions, FortiProxy 1.1 all versions, FortiProxy 1.0 all versions, FortiWeb version 7.2.0 through 7.2.1, FortiWeb version 7.0.0 through 7.0.6, FortiWeb 6.4 all versions, FortiWeb 6.3 all versions allows attacker to perform a denial of service via specially crafted HTTP requests.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 57% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
FortiOS · Fortinet
5.0.0 through 5.0.14; 5.2.0 through 5.2.15; 5.4.0 through 5.4.13; 5.6.0 through 5.6.14; 6.0.0 through 6.0.17; 6.2.0 through 6.2.15; +3 more · source: NVD
FO
Fortiproxy · Fortinet
1.0.0 through 1.0.7; 1.1.0 through 1.1.6; 1.2.0 through 1.2.13; 2.0.0 through 2.0.12; 7.0.0 through 7.0.9; 7.2.0 through 7.2.3 · source: NVD
FO
Fortiweb · Fortinet
6.3.0 through 6.3.23; 6.4.0 through 6.4.3; 7.0.0 through 7.0.6; 7.2.0; 7.2.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-33305
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-33305
Vendor Advisory
https://fortiguard.com/psirt/FG-IR-22-375
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