CVE-2023-45151

OAuth2 client_secret stored in plain text in the Nextcloud database

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.63%
Vendor Advisory github.com
Affected: nextcloud security-advisories
Published at:
Updated at:

References

Link Tags
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-hhgv-jcg9-p4m9 vendor advisory
https://github.com/nextcloud/server/pull/38398 patch issue tracking
https://hackerone.com/reports/1994324 permissions required

Frequently Asked Questions

What is the severity of CVE-2023-45151?
CVE-2023-45151 has been scored as a medium severity vulnerability.
How to fix CVE-2023-45151?
To fix CVE-2023-45151, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-45151 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-45151 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-45151?
CVE-2023-45151 affects nextcloud security-advisories.
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