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Vulnerability record · CVE-2025-30344 · published 21 March 2025

CVE-2025-30344: Openslides observable discrepancy vulnerability

Openslides · Openslides

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).

3.7 CVSS 3.1 Low EPSS 0.32% · top 78.0% CWE-208 · CWE-208CWE-203 · Observable discrepancy
3.7CVSS 3.1 base score
0.32%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References, 1 tagged exploit
17 Jun 2026Last modified by NVD

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).

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.x41-dsec.de/lab/advisories/x41-2025-001-OpenSlides ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-30344), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.