CVE-2025-41075 — HIGH (7.5)

Vulnerability Description

Vulnerability in LimeSurvey 6.13.0 in the endpoint /optin that causes infinite HTTP redirects when accessed directly. This behavior can be exploited to generate a Denegation of Service (DoS attack), by exhausting server or client resources. The system is unable to break the redirect loop, which can cause service degradation or browser instability.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Limesurvey	Limesurvey	6.13.0

Related Weaknesses (CWE)

CWE-835

References

https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-limeThird Party Advisory

FAQ

What is CVE-2025-41075?

CVE-2025-41075 is a vulnerability with a CVSS score of 7.5 (HIGH). Vulnerability in LimeSurvey 6.13.0 in the endpoint /optin that causes infinite HTTP redirects when accessed directly. This behavior can be exploited to generate a Denegation of Service (DoS attack), ...

How severe is CVE-2025-41075?

CVE-2025-41075 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-41075?

Check the references section above for vendor advisories and patch information. Affected products include: Limesurvey Limesurvey.