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CVE-2023-36640

MEDIUM

6.7

CVSS Score

Published: May 14, 2024 at 04:19 PM UTC

Updated: October 22, 2026 at 02:17 PM UTC

4 products affected across 1 vendorFortiOSFortiProxyFortiPAM

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Severity

MEDIUM6.7

Exploit prediction

EPSS 0.3%

SSVC

No known exploit

Description

A use of externally-controlled format string in Fortinet FortiProxy versions 7.2.0 through 7.2.4, 7.0.0 through 7.0.10, 2.0.0 through 2.0.13, 1.2.0 through 1.2.13, 1.1.0 through 1.1.6, 1.0.0 through 1.0.7, FortiPAM versions 1.0.0 through 1.0.3, FortiOS versions 7.2.0, 7.0.0 through 7.0.12, 6.4.0 through 6.4.14, 6.2.0 through 6.2.15, 6.0.0 through 6.0.16 allows attacker to execute unauthorized code or commands via specially crafted commands

Affected

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

FortiOS · Fortinet

95%

6.0.0 ≤ v ≤ 6.0.166.2.0 ≤ v ≤ 6.2.166.4.0 ≤ v ≤ 6.4.147.0.0 ≤ v ≤ 7.0.126.0.0 6.0.1 6.0.10 6.0.11 6.0.12 6.0.13 6.0.14 6.0.15 6.0.16 6.0.2 6.0.3 6.0.4 6.0.5 6.0.6 6.0.7 6.0.8 6.0.9 6.2.0 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 6.4.2 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 7.0.2 7.0.3 7.0.4 7.0.5 7.0.6 7.0.7 7.0.8 7.0.9 7.2.0 7.4.0

FortiPAM · Fortinet

95%

v ≤ 1.0.31.0.0 1.0.1 1.0.2 1.0.3

FortiProxy · Fortinet

95%

1.0.0 ≤ v ≤ 1.0.71.1.0 ≤ v ≤ 1.1.61.2.0 ≤ v ≤ 1.2.132.0.0 ≤ v ≤ 2.0.147.0.0 ≤ v ≤ 7.0.107.2.0 ≤ v ≤ 7.2.41.0.0 1.0.1 1.0.2 1.0.3 1.0.4 1.0.5 1.0.6 1.0.7 1.1.0 1.1.1 1.1.2 1.1.3 1.1.4 1.1.5 1.1.6 1.2.0 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 7.0.2 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

FortiSwitchManager · Fortinet

95%

7.0.0 ≤ v ≤ 7.0.27.2.0 ≤ v ≤ 7.2.27.0.0 7.2.0

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-23-137

References (1)

Vendor Advisory

Source: [email protected]

https://fortiguard.com/psirt/FG-IR-23-137

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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