CVE-2025-41074

Vulnerability in LimeSurvey 6.13.0 in the endpoint /optout 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 v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-limesurvey-0	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:limesurvey:limesurvey:6.13.0:*:*:*:*:*:*:*

History

21 Nov 2025, 20:00

Type	Values Removed	Values Added
CPE		cpe:2.3:a:limesurvey:limesurvey:6.13.0:::::::*
First Time		Limesurvey limesurvey Limesurvey
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.5
References	~~() https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-limesurvey-0 -~~	() https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-limesurvey-0 - Third Party Advisory

20 Nov 2025, 15:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-11-20 15:17

Updated : 2025-11-21 20:00

NVD link : CVE-2025-41074

Mitre link : CVE-2025-41074

CVE.ORG link : CVE-2025-41074

JSON object : View

Products Affected

limesurvey

limesurvey

CWE

CWE-835

Loop with Unreachable Exit Condition ('Infinite Loop')

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