Cyber Resilience

CVE-2023-22471

Low

Published: 14 January 2023

Published
14 January 2023
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1 3.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
EPSS Score 0.0011 28.1th percentile
Risk Priority 7 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-22471 is a low-severity Authorization Bypass Through User-Controlled Key (CWE-639) vulnerability in Nextcloud Deck. Its CVSS base score is 3.5 (Low).

Operationally, ranked at the 28.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Deck is a kanban style organization tool aimed at personal planning and project organization for teams integrated with Nextcloud. Broken access control allows a user to delete attachments of other users. There are currently no known workarounds. It is recommended…

more

that the Nextcloud Deck app is upgraded to 1.6.5 or 1.7.3 or 1.8.2.

CWE(s)
CWE-639

Related Threats

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

Affected Assets

nextcloud
deck
≤ 1.6.5 · 1.7.0 — 1.7.3 · 1.8.0 — 1.8.2

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.

AC-24 Access Control Decisions
addresses: CWE-639

Per-request decision making makes it harder to bypass authorization using user-controlled keys without proper validation in the decision process.

AC-3 Access Enforcement
addresses: CWE-639

Consistent enforcement of approved authorizations makes bypassing via user-controlled keys ineffective.

References