Cyber Resilience

CVE-2024-52521

Low

Published: 15 November 2024

Published
15 November 2024
Modified
23 January 2025
KEV Added
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Patch
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CVSS Score v3.1 2.6 CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N
EPSS Score 0.0077 74.0th percentile
Risk Priority 6 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-52521 is a low-severity Use of Weak Hash (CWE-328) vulnerability in Nextcloud Nextcloud Server. Its CVSS base score is 2.6 (Low).

Operationally, ranked in the top 26.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Nextcloud Server is a self hosted personal cloud system. MD5 hashes were used to check background jobs for their uniqueness. This increased the chances of a background job with arguments falsely being identified as already existing and not be queued…

more

for execution. By changing the Hash to SHA256 the probability was heavily decreased. It is recommended that the Nextcloud Server is upgraded to 28.0.10, 29.0.7 or 30.0.0.

CWE(s)
CWE-328NVD-CWE-Other

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

nextcloud
nextcloud server
28.0.0 — 28.0.10 · 28.0.0 — 28.0.10 · 29.0.0 — 29.0.7

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SC-13 Cryptographic Protection
addresses: CWE-328

Requires appropriate hash functions for cryptographic uses, preventing reliance on weak hashes.

SI-2 Flaw Remediation
addresses: CWE-328

Security updates supplant weak hashing algorithms with stronger alternatives before attackers can exploit the original weakness.

References