CVE-2023-25821 | BDVDB-2026-196188 Detail

nextcloudsecurity-advisories

Description#

Nextcloud is an Open Source private cloud software. Versions 24.0.4 and above, prior to 24.0.7, and 25.0.0 and above, prior to 25.0.1, contain Improper Access Control. Secure view for internal shares can be circumvented if reshare permissions are also given. This issue is patched in versions 24.0.7 and 25.0.1. No workaround is available.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact none, availability impact none. Attack vector: network.

Weaknesses#

CWE-284 Improper Access Control

References#

Exploit#

No public exploit known

History#

Version 12023-02-24Record published in the CVE List.
Version 22025-03-10Most recent update recorded in the CVE List.

Published

Published: 2023-02-24
Last modified: 2025-03-10

Vendor information

Vendor: nextcloud
Product: security-advisories

All nextcloud vulnerabilities

Score

5.7 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 61.4.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Improper Access Control

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 24.0.4, < 24.0.7
Fixed
Not stated
Vulnerable
>= 25.0.0, < 25.0.1
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

5.7 Medium

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	Low
User Interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity	None
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).