CVE-2023-37936

CRITICAL

A use of hard-coded cryptographic key in Fortinet FortiSwitch version 7.4.0 and 7.2.0 through 7.2.5 and 7.0.0 through 7.0.7 and 6.4.0 through 6.4.13 and 6.2.0 through 6.2.7 and 6.0.0 through 6.0.7 ...

Affects 1 product across 1 vendor.

BCS7.35
CVSS 3.19.8
EPSS1.0%
Percentile59th
PatchPatched
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, no authentication required, no user interaction needed, impact contained to the vulnerable component, full confidentiality impact, full integrity impact, full availability impact.
CWE Weakness Definitions
CWE-321: CWE-321
CWE-798: Use of Hard-Coded Credentials

Software contains embedded passwords or keys that cannot be changed by the administrator.

Related Attack Patterns (CAPEC)
CAPEC-70 Try Common or Default Usernames and Passwords
via CWE-798
CAPEC-191 Read Sensitive Constants Within an Executable
via CWE-798

Mapping is CWE-to-CAPEC per MITRE CAPEC 3.9.

◆ SAGE Intelligence — CITED Relevance Research Team

A critical vulnerability in Fortinet FortiSwitch devices due to the use of hard-coded cryptographic keys allows attackers to execute unauthorized code or commands via crafted requests.

BSID: BS-2025-GLOBAL-005875-C • Model: /workspace/models/qwen2.5-coder-32b-instruct-bf16 • Confidence: HIGH

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Frequently Asked Questions
What is CVE-2023-37936?
A critical vulnerability in Fortinet FortiSwitch devices due to the use of hard-coded cryptographic keys allows attackers to execute unauthorized code or commands via crafted requests.
What is the CVSS score for CVE-2023-37936?
CVE-2023-37936 has CVSS 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS: 1.0%.
Is CVE-2023-37936 actively exploited?
No confirmed active exploitation of CVE-2023-37936 as of 2026-05-30.
How do I remediate CVE-2023-37936?
Priority: IMMEDIATE. Advisory: https://fortiguard.com/psirt/FG-IR-23-260 PSIRT: [email protected]
What systems are affected by CVE-2023-37936?
CVE-2023-37936 affects: Fortinet.
Vulnerability Details
CVE IDCVE-2023-37936
BSIDBS-2025-GLOBAL-005875-C BreachSpider Global ID
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published2025-01-14
Last Modified2025-01-31
ICS Relevance70%
Weakness (CWE)
CWE-321Use of Hard-Coded Credentials
Domains
NETWORK-INFRA
SourceNVD
Official Description

A use of hard-coded cryptographic key in Fortinet FortiSwitch version 7.4.0 and 7.2.0 through 7.2.5 and 7.0.0 through 7.0.7 and 6.4.0 through 6.4.13 and 6.2.0 through 6.2.7 and 6.0.0 through 6.0.7 allows attacker to execute unauthorized code or commands via crafted requests.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

The vulnerability arises from the use of hard-coded cryptographic keys in the affected FortiSwitch firmware versions. An attacker can exploit this by sending specially crafted requests to the device, potentially leading to unauthorized access and command execution.

Exploitation Likelihood: CRITICAL

Affected Products
VendorProductFixed Version
Fortinet Fortiswitch —
Remediation
View Vendor Advisory →

Remediation Priority: IMMEDIATE

Vendor PSIRT: [email protected]
Threat Intelligence
● Threat Intelligence Validated: July 2026 | Threat Age: 557 Days
CISA KEVNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
SAGE Enrichment Record — provenance & audit hash
Model/workspace/models/qwen2.5-coder-32b-instruct-bf16
ConfidenceHIGH
Enriched At2026-05-24
SHA-512 Audit Hash68619e13d2418b8961f5081e05dfba4ae1d073eb8ff96b1d577e7ca02c22c87d0aa18c702f40a350a2749610ef73f2bfd84b3ca298810d969c98c67522b5fdb9
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