CVE Tools
Sign in

CVE-2023-40721

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.

Published: Feb 11, 2025Updated: Jan 14, 2026 Sources: CVE List NVD csafCWE-134
NVD MITRE
6.7CVSSMEDIUM
EPSS Score
0.2%
Top 85.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Fortinet has published information on vulnerabilities in FORTIOS. This advisory lists the related Siemens Industrial products. Siemens has released a new version for RUGGEDCOM APE1808 and recommends to update to the latest version. Siemens is preparing further fix versions and recommends specific countermeasures for products where fixes are not, or not yet available.

CVSS Vector Breakdown

AV:LAC:LPR:HUI:NS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-134

Affected Products

FortiPAMFortinetSecurity Products
FortiSwitchManagerFortinetSecurity Products
FortiOSFortinetSecurity Products
FortiProxyFortinetSecurity Products
fortiosfortinetSecurity Products
fortinetcommercialUSSecurity Productsaka forti net
and 3 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Execution
View detailed technique mapping

References

https://cert-portal.siemens.com/productcert/csaf/ssa-832273.json
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-832273.html
cert-portal.siemens.com
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2024/icsa-24-074-05.json
raw.githubusercontent.com
and 8 more references View all →

Timeline

Published
Feb 11, 2025
Last Updated
Jan 14, 2026

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2023-40721 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows