How severe is CVE-2025-30344?

CVE-2025-30344 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2025-30344 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-30344?

CVE-2025-30344 affects Openslides. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-30344?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-30344 have an EU (EUVD) identifier?

Yes. CVE-2025-30344 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-7268.

When was CVE-2025-30344 published?

CVE-2025-30344 was published on 2025-03-21 and last updated on 2026-06-17.

CVE-2025-30344

CVE-2025-30344 is a medium-severity vulnerability in Openslides with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-203.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-7268
Weakness: CWE-203
Affected product: Openslides
Published: 2025-03-21
Last modified: 2026-06-17

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).

Frequently asked questions

What is CVE-2025-30344?: 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).
How severe is CVE-2025-30344?: CVE-2025-30344 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2025-30344 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-30344?: CVE-2025-30344 affects Openslides. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-30344?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-30344 have an EU (EUVD) identifier?: Yes. CVE-2025-30344 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-7268.
When was CVE-2025-30344 published?: CVE-2025-30344 was published on 2025-03-21 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:openslides:openslides:*:*:*:*:*:*:*:*

More vulnerabilities in Openslides

CVE-2020-26280 — High (CVSS 8.9): OpenSlides is a free, Web-based presentation and assembly system for managing and projecting agenda, motions, and…
CVE-2026-25519 — High (CVSS 8.1): OpenSlides is a free, web based presentation and assembly system for managing and projecting agenda, motions and…
CVE-2024-22893 — High (CVSS 7.5): OpenSlides 4.0.15 verifies passwords by comparing password hashes using a function with content-dependent runtime. This…
CVE-2024-22892 — High (CVSS 7.5): OpenSlides 4.0.15 was discovered to be using a weak hashing algorithm to store passwords.
CVE-2025-30342 — Medium (CVSS 5.4): An XSS issue was discovered in OpenSlides before 4.2.5. When submitting descriptions such as Moderator Notes or Agenda…
CVE-2025-30345 — Low (CVSS 3.5): An issue was discovered in OpenSlides before 4.2.5. When creating new chats via the chat_group.create action, the user…

All CVEs affecting Openslides →

Other CWE-203 (Observable Discrepancy) vulnerabilities

CVE-2019-25337 — Critical (CVSS 9.8): OwnCloud 8.1.8 contains a username enumeration vulnerability that allows remote attackers to discover user accounts by…
CVE-2026-23519 — Critical (CVSS 9.8): RustCrypto CMOV provides conditional move CPU intrinsics which are guaranteed on major platforms to execute in…
CVE-2025-27667 — Critical (CVSS 9.8): Vasion Print (formerly PrinterLogic) before Virtual Appliance Host 22.0.843 Application 20.0.1923 allows Administrative…
CVE-2024-25714 — Critical (CVSS 9.8): In Rhonabwy through 1.1.13, HMAC signature verification uses a strcmp function that is vulnerable to side-channel…
CVE-2024-25191 — Critical (CVSS 9.8): php-jwt 1.0.0 uses strcmp (which is not constant time) to verify authentication, which makes it easier to bypass…
CVE-2024-25190 — Critical (CVSS 9.8): l8w8jwt 2.2.1 uses memcmp (which is not constant time) to verify authentication, which makes it easier to bypass…

Browse all CWE-203 (Observable Discrepancy) vulnerabilities →