CVE-2025-59921Network attack vector

Password disclosure via GUI debug endpoint

Published Oct 14, 2025 · Updated Oct 14, 2025

Information disclosure in Fortinet FortiADC allows remote authenticated users to obtain clear-text passwords through crafted HTTP requests. A GUI debug endpoint returns passwords in clear text when it processes crafted HTTP or HTTPS requests. Access requires an authenticated account; the published impact is password disclosure, with no reported data modification or service interruption.

CVSS severity6.5
Medium
EPSS probability0.30%
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 FortiADC allows remote authenticated users to obtain clear-text passwords through crafted HTTP requests. A GUI debug endpoint returns passwords in clear text when it processes crafted HTTP or HTTPS requests. Access requires an authenticated account; the published impact is password disclosure, with no reported data modification or service interruption.

The record

CVE
CVE-2025-59921
Published
Oct 14, 2025
Updated
Oct 14, 2025
Vendor
Fortinet
Product
FortiADC
Classifications
CWE-200, T1552
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 14, 2025CVE publishedPublication date reported by the CVE source.
  2. Oct 14, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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

  1. Affected versionversion=6.2.0 <=6.2.6
  2. Affected versionversion=7.0.0 <=7.0.6
  3. Affected versionversion=7.1.0 <=7.1.4
  4. Affected versionversion=7.2.0 <=7.2.3
  5. Affected versionversion=7.4.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Fortinet · FortiADCversion=6.2.0 <=6.2.6; version=7.0.0 <=7.0.6; version=7.1.0 <=7.1.4; version=7.2.0 <=7.2.3; version=7.4.0

Published CVSS scores

6.5FortinetCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
T1552Unsecured Credentials

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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