CVE-2021-25672Network attack vector

Authenticated account takeover via undisclosed access-control failure

Published Mar 15, 2021 · Updated Aug 3, 2024

Improper access control in Siemens Mendix Forgot Password before 3.2.1 allows remote authenticated users to take over accounts. The module omits an undisclosed access-control check in its account-reset functionality; Siemens has not identified the affected request, microflow, or validation. Exploitation requires an authorized application account and grants control of another account, while availability remains unaffected.

CVSS severity6.8
Medium
EPSS probability0.86%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper access control in Siemens Mendix Forgot Password before 3.2.1 allows remote authenticated users to take over accounts. The module omits an undisclosed access-control check in its account-reset functionality; Siemens has not identified the affected request, microflow, or validation. Exploitation requires an authorized application account and grants control of another account, while availability remains unaffected.

The record

CVE
CVE-2021-25672
Published
Mar 15, 2021
Updated
Aug 3, 2024
Vendor
Siemens
Product
Mendix Forgot Password
Classifications
CWE-284, T1098
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 15, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record 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=All Versions < V3.2.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Siemens · Mendix Forgot Passwordversion=All Versions < V3.2.1

Published CVSS scores

6.8Siemens ProductCERTCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-284Improper Access Control
T1098Account Manipulation

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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