Medium severity · published Dec 13, 2023
CVE-2023-47536
An improper access control vulnerability [CWE-284] in FortiOS version 7.2.0, version 7.0.13 and below, version 6.4.14 and below and FortiProxy version 7.2.3 and below, version…
5.3
CVSS
0.6%
EPSS
No
On KEV
Description
An improper access control vulnerability [CWE-284] in FortiOS version 7.2.0, version 7.0.13 and below, version 6.4.14 and below and FortiProxy version 7.2.3 and below, version 7.0.9 and below, version 2.0.12 and below may allow a remote unauthenticated attacker to bypass the firewall deny geolocalisation policy via timing the bypass with a GeoIP database update.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 47% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
FortiOS · Fortinet
6.4.0 through 6.4.14; 7.0.0 through 7.0.13; 7.2.0 · source: NVD
FO
Fortiproxy · Fortinet
2.0.0 through 2.0.12; 7.0.0 through 7.0.9; 7.2.0 through 7.2.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-47536
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-47536
Vendor Advisory
https://fortiguard.com/psirt/FG-IR-23-432
More from FortiOS
9.8
CVE-2026-24858
Fortinet Multiple Products Authentication Bypass Using an Alternate Path or Channel Vulnerability
9.8
CVE-2025-25249
Fortinet Multiple Products Heap-based Buffer Overflow Vulnerability
9.8
CVE-2025-59718
Fortinet Multiple Products Improper Verification of Cryptographic Signature Vulnerability
9.8
CVE-2024-55591
Fortinet FortiOS and FortiProxy Authentication Bypass Vulnerability
9.8
CVE-2024-23113
Fortinet Multiple Products Format String Vulnerability