CVE-2023-40723Network attack vector

Database password disclosure via crafted API requests

Published Mar 11, 2025 · Updated Feb 26, 2026

Information disclosure in Fortinet FortiSIEM affected releases allows remote attackers to read the database password via crafted API requests. An API endpoint returns the stored database password when a request presents an agent authorization header, without requiring normal user authentication. Exploitation requires prior knowledge of that header; the exposed credential enables unauthorized database access and subsequent command or code execution.

CVSS severity8.1
High
EPSS probability0.36%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in Fortinet FortiSIEM affected releases allows remote attackers to read the database password via crafted API requests. An API endpoint returns the stored database password when a request presents an agent authorization header, without requiring normal user authentication. Exploitation requires prior knowledge of that header; the exposed credential enables unauthorized database access and subsequent command or code execution.

The record

CVE
CVE-2023-40723
Published
Mar 11, 2025
Updated
Feb 26, 2026
Vendor
Fortinet
Product
FortiSIEM
Classifications
CWE-200, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 11, 2025CVE publishedPublication date reported by the CVE source.
  2. Feb 26, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=5.1.0 <=5.1.3
  2. Affected versionversion=5.2.1 <=5.2.2
  3. Affected versionversion=5.2.5 <=5.2.8
  4. Affected versionversion=5.3.0 <=5.3.3
  5. Affected versionversion=5.4.0
  6. Affected versionversion=6.1.0 <=6.1.2
  7. Affected versionversion=6.2.0 <=6.2.1
  8. Affected versionversion=6.3.0 <=6.3.3
  9. Affected versionversion=6.4.0 <=6.4.2
  10. Affected versionversion=6.5.0 <=6.5.1
  11. Affected versionversion=6.6.0 <=6.6.3
  12. Affected versionversion=6.7.0 <=6.7.4

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Fortinet · FortiSIEMversion=5.1.0 <=5.1.3; version=5.2.1 <=5.2.2; version=5.2.5 <=5.2.8; version=5.3.0 <=5.3.3; version=5.4.0; version=6.1.0 <=6.1.2; version=6.2.0 <=6.2.1; version=6.3.0 <=6.3.3; version=6.4.0 <=6.4.2; version=6.5.0 <=6.5.1; version=6.6.0 <=6.6.3; version=6.7.0 <=6.7.4

Published CVSS scores

8.1Fortinet, Inc.CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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