CVE-2023-40721

MEDIUM

6.7

CVSS Score

Published: February 11, 2025 at 04:09 PM UTC

Updated: June 17, 2026 at 06:19 AM UTC

4 products affected across 1 vendorFortiOSFortiProxyFortiPAM

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Severity

MEDIUM6.7

Exploit prediction

EPSS 0.2%

SSVC

No known exploit

Description

A use of externally-controlled format string vulnerability [CWE-134] in Fortinet FortiOS version 7.4.0 through 7.4.1 and before 7.2.6, FortiProxy version 7.4.0 and before 7.2.7, FortiPAM version 1.1.2 and before 1.0.3, FortiSwitchManager version 7.2.0 through 7.2.2 and before 7.0.2 allows a privileged attacker to execute arbitrary code or commands via specially crafted requests.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

FortiOS · Fortinet

95%

6.2.0 ≤ v ≤ 6.2.176.2.0 ≤ v < 7.0.146.4.0 ≤ v ≤ 6.4.167.0.0 ≤ v ≤ 7.0.137.2.0 ≤ v ≤ 7.2.57.2.0 ≤ v < 7.2.76.2.0 6.2.1 6.2.10 6.2.11 6.2.12 6.2.13 6.2.14 6.2.15 6.2.16 6.2.17 6.2.2 6.2.3 6.2.4 6.2.5 6.2.6 6.2.7 6.2.8 6.2.9 6.4.0 6.4.1 6.4.10 6.4.11 6.4.12 6.4.13 6.4.14 6.4.15 6.4.16 6.4.2 6.4.3 6.4.4 6.4.5 6.4.6 6.4.7 6.4.8 6.4.9 7.0.0 7.0.1 7.0.10 7.0.11 7.0.12 7.0.13 7.0.2 7.0.3 7.0.4 7.0.5 7.0.6 7.0.7 7.0.8 7.0.9 7.2.0 7.2.1 7.2.2 7.2.3 7.2.4 7.2.5 7.4.0

Affected range stops below 7.0.14, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.2.7, so it looks safe — our inference, not a vendor statement

FortiPAM · Fortinet

95%

1.0.0 ≤ v ≤ 1.0.31.0.0 ≤ v < 1.2.01.1.0 ≤ v ≤ 1.1.21.0.0 1.0.1 1.0.2 1.0.3 1.1.0 1.1.1 1.1.2

Affected range stops below 1.2.0, so it looks safe — our inference, not a vendor statement

FortiProxy · Fortinet

95%

1.2.0 ≤ v ≤ 1.2.131.2.0 ≤ v < 7.0.152.0.0 ≤ v ≤ 2.0.147.0.0 ≤ v ≤ 7.0.147.2.0 ≤ v ≤ 7.2.67.2.0 ≤ v < 7.2.81.2.0 1.2.1 1.2.10 1.2.11 1.2.12 1.2.13 1.2.2 1.2.3 1.2.4 1.2.5 1.2.6 1.2.7 1.2.8 1.2.9 2.0.0 2.0.1 2.0.10 2.0.11 2.0.12 2.0.13 2.0.14 2.0.2 2.0.3 2.0.4 2.0.5 2.0.6 2.0.7 2.0.8 2.0.9 7.0.0 7.0.1 7.0.10 7.0.11 7.0.12 7.0.13 7.0.14 7.0.2 7.0.3 7.0.4 7.0.5 7.0.6 7.0.7 7.0.8 7.0.9 7.2.0 7.2.1 7.2.2 7.2.3 7.2.4 7.2.5 7.2.6 7.4.0

Affected range stops below 7.0.15, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.2.8, so it looks safe — our inference, not a vendor statement

FortiSwitchManager · Fortinet

95%

7.0.0 ≤ v ≤ 7.0.27.0.0 ≤ v < 7.0.37.2.0 ≤ v ≤ 7.2.27.2.0 ≤ v < 7.2.37.0.0 7.0.1 7.0.2 7.2.0 7.2.1 7.2.2

Affected range stops below 7.0.3, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.2.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://fortiguard.com/psirt/FG-IR-23-261

References (1)

Vendor Advisory

Source: [email protected]

https://fortiguard.com/psirt/FG-IR-23-261

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.7MEDIUM[email protected]

Attack Vector: LOCAL
Complexity: LOW
Privileges: HIGH
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-134

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