CVE-2021-32801

Name: CVE-2021-32801
Creator: NVD / NIST
Published: 2021-09-07T22:15:08.49+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.23%

Last modified Jun 17, 2026

CVE-2021-32801 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Nextcloud server is an open source, self hosted personal cloud. In affected versions logging of exceptions may have resulted in logging potentially sensitive key material for the Nextcloud Encryption-at-Rest functionality. EPSS estimates a 0.23% chance of exploitation in the next 30 days.

Description

Nextcloud server is an open source, self hosted personal cloud. In affected versions logging of exceptions may have resulted in logging potentially sensitive key material for the Nextcloud Encryption-at-Rest functionality. It is recommended that the Nextcloud Server is upgraded to 20.0.12, 21.0.4 or 22.1.0. If upgrading is not an option users are advised to disable system logging to resolve this issue until such time that an upgrade can be performed Note that ff you do not use the Encryption-at-Rest functionality of Nextcloud you are not affected by this bug.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.23%

13.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Nextcloud	Nextcloud Server	< 20.0.12
Nextcloud	Nextcloud Server	>= 21.0.0, < 21.0.4
Nextcloud	Nextcloud Server	>= 22.0.0, < 22.1.0

References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-mcpf-v65v-359hThird Party Advisory
https://github.com/nextcloud/server/pull/28082Third Party Advisory
https://hackerone.com/reports/1251776Permissions Required, Third Party Advisory
https://security.gentoo.org/glsa/202208-17Third Party Advisory
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-mcpf-v65v-359hThird Party Advisory
https://github.com/nextcloud/server/pull/28082Third Party Advisory
https://hackerone.com/reports/1251776Permissions Required, Third Party Advisory
https://security.gentoo.org/glsa/202208-17Third Party Advisory

Timeline

Published: Sep 7, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-32801?

How severe is CVE-2021-32801?

CVE-2021-32801 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.23% probability of exploitation in the next 30 days.

How do I fix CVE-2021-32801?

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-2021-32801?

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

Scan your code now

Source: NVD / NIST