CVEvulnerability
CVE-2023-45151
8.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2023-10-16
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-312
Description
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.
Affected configurations
• nextcloud nextcloud server (>= 25.0.0 < 25.0.8)
• nextcloud nextcloud server (>= 26.0.0 < 26.0.3)
• nextcloud nextcloud server 27.0.0
Related
Weakness · CWE (1)
- CWE-312 Cleartext Storage of Sensitive Information weakness
References
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-hhgv-jcg9-p4m9 Vendor Advisory
- https://github.com/nextcloud/server/pull/38398 Issue Tracking, Patch
- https://hackerone.com/reports/1994324 Permissions Required
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-hhgv-jcg9-p4m9 Vendor Advisory
- https://github.com/nextcloud/server/pull/38398 Issue Tracking, Patch
- https://hackerone.com/reports/1994324 Permissions Required