CVE-2023-45151 MEDIUM

CVE-2023-45151: OAuth2 client_secret stored in plain text in the Nextcloud database

Vendor Nextcloud
Product security-advisories
Weakness CWE-312 · Cleartext storage
Published October 16, 2023
Last update September 16, 2024

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Nextcloud server is an open source home cloud platform. Affected versions of Nextcloud stored OAuth2 tokens in plaintext which allows an attacker who has gained access to the server to potentially elevate their privilege. This issue has been addressed and users are recommended to upgrade their Nextcloud Server to version 25.0.8, 26.0.3 or 27.0.1. There are no known workarounds for this vulnerability.

Key dates

02Disclosure timeline

October 16, 2023 CVE published
September 16, 2024 Record updated