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MEDIUM: 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NDefault status
unaffected
Any version before 4.2.5
affected
Description
An issue was discovered in OpenSlides before 4.2.5. During login at the /system/auth/login/ endpoint, the system's response times differ depending on whether a user exists in the system. The timing discrepancy stems from the omitted hashing of the password (e.g., more than 100 milliseconds).
Problem types
CWE-208 Observable Timing Discrepancy
Product status
Any version before 4.2.5
References
www.x41-dsec.de/lab/advisories/x41-2025-001-OpenSlides