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CVE-2023-39958

MEDIUM
Published 2023-08-10T17:04:51.729Z
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CVSS Score

V3.1
5.8
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.004
probability
of exploitation in the wild

There is a 0.4% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.569
Higher than 56.9% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED

Impact Metrics

Confidentiality
LOW
Integrity
NONE
Availability
NONE

Description

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 22.0.0 and prior to versions 22.2.10.13, 23.0.12.8, 24.0.12.5, 25.0.9, 26.0.4, and 27.0.1, missing protection allows an attacker to brute force the client secrets of configured OAuth2 clients. Nextcloud Server versions 25.0.9, 26.0.4, and 27.0.1 and Nextcloud Enterprise Server versions 22.2.10.13, 23.0.12.8, 24.0.12.5, 25.0.9, 26.0.4, and 27.0.1 contain a patch for this issue. No known workarounds are available.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

nextcloud

security-advisories

Affected Versions:

>= 22.0.0, < 22.2.10.13 >= 23.0.0, < 23.0.12.8 >= 24.0.0, < 24.0.12.5 >= 25.0.0, < 25.0.9 >= 26.0.0, < 26.0.4 >= 27.0.0, < 27.0.1

References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-vv27-g2hq-v48h
https://github.com/nextcloud/server/pull/38773
https://hackerone.com/reports/1258448
Published: 2023-08-10T17:04:51.729Z
Last Modified: 2024-10-10T15:52:01.095Z
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