CVE-2023-48303 | BDVDB-2026-217458 Detail

nextcloudsecurity-advisories

Description#

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 25.0.0 and prior to versions 25.0.11, 26.0.6, and 27.1.0 of Nextcloud Server and Nextcloud Enterprise Server, admins can change authentication details of user configured external storage. Nextcloud Server and Nextcloud Enterprise Server versions 25.0.11, 26.0.6, and 27.1.0 contain a patch for this issue. No known workarounds are available.

Impact#

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

Weaknesses#

CWE-284 Improper Access Control

References#

Exploit#

No public exploit known

History#

Version 12023-11-21Record published in the CVE List.
Version 22024-08-02Most recent update recorded in the CVE List.

Published

Published: 2023-11-21
Last modified: 2024-08-02

Vendor information

Vendor: nextcloud
Product: security-advisories

All nextcloud vulnerabilities

Score

2.4 Low

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 52.4.

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
>= 25.0.0, < 25.0.11
Fixed
Not stated
Vulnerable
>= 26.0.0, < 26.0.6
Fixed
Not stated
Vulnerable
>= 27.0.0, < 27.1.0
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

2.4 Low

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

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

CVSS v3.0

Not available

CVSS v2

Not available

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