CVE-2023-45151

OAuth2 client_secret stored in plain text in the Nextcloud database

CVSS 6.5 MEDIUMEPSS 0.5%CWE-312

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 6.5EPSS 0.5%KEV nãoPoC —Patch —

Lifecycle

Oct 16, 2023Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

nextcloud · security-advisories

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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