CVSS 3.1
8.8 highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCVE-2023-45151
High (8.8) in nextcloud nextcloud server. EPSS 0.6% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 0.6% chance of exploitation in the next 30 days; higher than 49% of CVEs (scores of 2026-10-31)
- CWE
- CWE-312
- Published
- Modified
- Record from
- the NVD, synced
Affected
- nextcloud:nextcloud_server
References
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-hhgv-jcg9-p4m9
- https://github.com/nextcloud/server/pull/38398
- https://hackerone.com/reports/1994324
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-hhgv-jcg9-p4m9
- https://github.com/nextcloud/server/pull/38398