FmtStr RCE in Fortinet FortiOS 7.0-7.4 Arbitrary Code Exec
CVE-2024-23113 Published on February 15, 2024

A use of externally-controlled format string in Fortinet FortiOS versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.6, 7.0.0 through 7.0.13, FortiProxy versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.8, 7.0.0 through 7.0.14, FortiPAM versions 1.2.0, 1.1.0 through 1.1.2, 1.0.0 through 1.0.3, FortiSwitchManager versions 7.2.0 through 7.2.3, 7.0.0 through 7.0.3 allows attacker to execute unauthorized code or commands via specially crafted packets.

NVD

Known Exploited Vulnerability

This Fortinet Multiple Products Format String Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Fortinet FortiOS, FortiPAM, FortiProxy, and FortiWeb contain a format string vulnerability that allows a remote, unauthenticated attacker to execute arbitrary code or commands via specially crafted requests.

The following remediation steps are recommended / required by October 30, 2024: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Vulnerability Analysis

CVE-2024-23113 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors in an automatable fashion. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

Use of Externally-Controlled Format String

The software uses a function that accepts a format string as an argument, but the format string originates from an external source.


Products Associated with CVE-2024-23113

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2024-23113 are published in these products:

Fortinet Fortipam
 
Fortinet FortiOS
 
Fortinet FortiProxy
 
Fortinet Fortiswitchmanager
 

Affected Versions

Fortinet FortiSwitchManager: Fortinet FortiOS: Fortinet FortiPAM: Fortinet FortiProxy: fortinet fortiswitchmanager: fortinet fortiswitchmanager: fortinet fortios: fortinet fortios: fortinet fortios: fortinet fortiproxy: fortinet fortiproxy: fortinet fortiproxy: fortinet fortipam: fortinet fortipam: fortinet fortipam:

Exploit Probability

EPSS
51.81%
Percentile
97.84%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.