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CVE-2024-52523

MEDIUMCVSS 6.5/10EPSS 0.63%

Last modified

CVE-2024-52523 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Nextcloud Server is a self hosted personal cloud system. After setting up a user or administrator defined external storage with fixed credentials, the API returns them and adds them into the frontend again, allowing to read them in plain text when an attacker already has access to an active session of a user. EPSS estimates a 0.63% chance of exploitation in the next 30 days.

Description

Nextcloud Server is a self hosted personal cloud system. After setting up a user or administrator defined external storage with fixed credentials, the API returns them and adds them into the frontend again, allowing to read them in plain text when an attacker already has access to an active session of a user. It is recommended that the Nextcloud Server is upgraded to 28.0.12, 29.0.9 or 30.0.2 and Nextcloud Enterprise Server is upgraded to 25.0.13.14, 26.0.13.10, 27.1.11.10, 28.0.12, 29.0.9 or 30.0.2.

Metrics

CVSS 3.1
6.5/10

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

EPSS Probability
0.63%

45.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
NextcloudNextcloud Server>= 25.0.0, < 25.0.13.14
NextcloudNextcloud Server>= 26.0.0, < 26.0.13.10
NextcloudNextcloud Server>= 27.0.0, < 27.1.11.10
NextcloudNextcloud Server>= 28.0.0, < 28.0.12
NextcloudNextcloud Server>= 29.0.0, < 29.0.9
NextcloudNextcloud Server>= 30.0.0, < 30.0.2

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2024-52523?
Nextcloud Server is a self hosted personal cloud system. After setting up a user or administrator defined external storage with fixed credentials, the API returns them and adds them into the frontend again, allowing to read them in plain text when an attacker already has access to an active session of a user. It is recommended that the Nextcloud Server is upgraded to 28.0.12, 29.0.9 or 30.0.2 and Nextcloud Enterprise Server is upgraded to 25.0.13.14, 26.0.13.10, 27.1.11.10, 28.0.12, 29.0.9 or 30.0.2.
How severe is CVE-2024-52523?
CVE-2024-52523 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.63% probability of exploitation in the next 30 days.
How do I fix CVE-2024-52523?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-52523?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST