Home/CVE/A use of externally-controlled format string vulnerability [CWE-134] vulnerability in Fortinet allows a privileged atta
CVE

CVE-2023-40721

A use of externally-controlled format string vulnerability [CWE-134] vulnerability in Fortinet allows a privileged atta

A use of externally-controlled format string vulnerability [CWE-134] vulnerability in Fortinet allows a privileged attacker to execute arbitrary code or commands via specially crafted requests.

MEDIUM · CVSS 6.7 EPSS 0.00021
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-134Use of Externally-Controlled Format String
▤

Affected Products & Versions

9
fortinet fortios>= 6.2.0 and < 7.0.14
fortinet fortios>= 7.2.0 and < 7.2.7
fortinet fortiosall versions
fortinet fortiswitchmanager>= 7.0.0 and < 7.0.3
fortinet fortiswitchmanager>= 7.2.0 and < 7.2.3
fortinet fortiproxy>= 1.2.0 and < 7.0.15
fortinet fortiproxy>= 7.2.0 and < 7.2.8
fortinet fortiproxyall versions
▣

Scoring & Timeline

6.7
MEDIUM · CVSS v3.1 · psirt@fortinet.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD11 Feb 2025 · 05:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

2
siemens-csafSSA-832273
cisa-csafcisa-csaf-csaf_files-OT-white-2024-icsa-24-074-05
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://fortiguard.com/psirt/FG-IR-23-261Vendor Advisory
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