Cyber Resilience

CVE-2025-32036

Dnnsoftware Dotnetnuke ≤ 9.13.8

Published
08 April 2025
Modified
26 August 2025
Patch / advisory
View advisory
CVSS Score v3.1 4.2
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
EPSS Score 0.0029 21th percentile
Risk Priority 35 floored blend · peak EPSS

Summary

CVE-2025-32036 is a medium-severity Guessable CAPTCHA (CWE-804) vulnerability in Dnnsoftware Dotnetnuke. Its CVSS base score is 4.2 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Password Guessing (T1110.001); ranked at the 21th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability Data

DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. The algorithm used to generate the captcha image shows the least complexity of the desired image. For this reason, the created image can be easily…

more

read by OCR tools, and the intruder can send automatic requests by building a robot and using this tool. This vulnerability is fixed in 9.13.8.

CWE(s)
CWE-804

Related Threats

MITRE ATT&CK Enterprise Techniques

T1110.001 Password Guessing Credential Access
Adversaries with no prior knowledge of legitimate credentials within the system or environment may guess passwords to attempt access to accounts.
attack.mitre.org →
T1110.003 Password Spraying Credential Access
Adversaries may use a single or small list of commonly used passwords against many different accounts to attempt to acquire valid account credentials.
attack.mitre.org →
T1110 Brute Force Credential Access
Adversaries may use brute force techniques to gain access to accounts when passwords are unknown or when password hashes are obtained.
attack.mitre.org →
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2018-18325Same product: Dnnsoftware Dotnetnuke
CVE-2018-15811Same product: Dnnsoftware Dotnetnuke
CVE-2026-40306Same product: Dnnsoftware Dotnetnuke
CVE-2026-24836Same product: Dnnsoftware Dotnetnuke
CVE-2026-24784Same product: Dnnsoftware Dotnetnuke
CVE-2025-59548Same product: Dnnsoftware Dotnetnuke
CVE-2015-2794Same product: Dnnsoftware Dotnetnuke
CVE-2025-52485Same product: Dnnsoftware Dotnetnuke
CVE-2025-64095Same product: Dnnsoftware Dotnetnuke
CVE-2025-32373Same product: Dnnsoftware Dotnetnuke

Affected Assets

dnnsoftware
dotnetnuke
≤ 9.13.8

Mitigating Controls

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-06 mostly match
prevents

Secure development practices directly require non-guessable CAPTCHA implementations.

PR.AA-03 partial match
prevents

Strong authentication practices include effective CAPTCHA challenges to block automated actors.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

A.8.29 Security testing in development and acceptance mostly match
finds

Security testing can detect weak CAPTCHA implementations before deployment.

A.8.26 Application security requirements partial match
prevents

Application security requirements mandate effective CAPTCHA challenges that cannot be easily bypassed by bots.

A.8.28 Secure coding partial match
prevents

Secure coding practices ensure CAPTCHA logic is resistant to automated recognition or guessing attacks.

A.8.5 Secure authentication partial match
prevents

Strong authentication mechanisms include robust CAPTCHA implementations that resist automated guessing.

References