TI-2025-21650 Aliases CVE-2025-30344 GHSA-jvfr-jf2p-rc53

Observable discrepancy in Intevation OpenSlides

MEDIUM 63CWE-208Published 2025-03-21 · Updated 2025-03-21

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Information disclosure
Confidentiality · integrity · availability: Low · None · None
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-208.

Summary

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).

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00322 25th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed OpenSlides (Intevation): 4.2.5

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Intevation	OpenSlides	before 4.2.5	4.2.5	Patch available	CNA

OpenSlides VendorIntevation Affected before 4.2.5 Fixed in 4.2.5 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:openslides:openslides::::::::	before 4.2.5	Vulnerable	Intevation

cpe:2.3:a:openslides:openslides:*:*:*:*:*:*:*:* Versions before 4.2.5 Vulnerable ·Intevation

Remediation

Fix · CNA OpenSlides (Intevation) Fixed in 4.2.5

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Release · 2025-03-21
Intevation OpenSlides 4.2.5
4 records Highest priority Priority MEDIUM 4 MEDIUM
Other records, highest priority first
- TI-2025-21649 Path traversal in Intevation OpenSlidesPriority MEDIUM 62
- TI-2025-21648 Cross-site scripting in Intevation OpenSlidesPriority MEDIUM 60
- TI-2025-21651 Improper output encoding in Intevation OpenSlidesPriority MEDIUM 52
Show all 4 records →

Timeline

2026-10-02 Threatist record created from CVE-2025-30344
2026-10-03 Alias added: GHSA-jvfr-jf2p-rc53

References

Exploit 1

https://www.x41-dsec.de/lab/advisories/x41-2025-001-OpenSlides

TI-2025-21649 Path traversal in Intevation OpenSlides CVSS 3.1MEDIUM 6.5
TI-2025-21648 Cross-site scripting in Intevation OpenSlides CVSS 3.1MEDIUM 6.1
TI-2025-21651 Improper output encoding in Intevation OpenSlides CVSS 3.1MEDIUM 4.1
TI-2026-20628 OpenSlides has incorrect access control vulnerability in authentication service CVSS 3.1CRITICAL 9.8
TI-2020-16101 XSS in OpenSlides CVSS 3.1HIGH 8.9
TI-2024-15167 OpenSlides 4.0.15 verifies passwords by comparing password hashes using a function with… CVSS 3.1HIGH 7.5

See all 7 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences