CVE-2021-32801

low-risk
Published 2021-09-07

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.

Do I need to act?

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0.06% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Nextcloud

References (8)

Third Party Advisory https://github.com/nextcloud/security-advisories/security/advisories/GHSA-mcpf-v...
Third Party Advisory https://github.com/nextcloud/server/pull/28082
Permissions Required https://hackerone.com/reports/1251776
Third Party Advisory https://security.gentoo.org/glsa/202208-17
Third Party Advisory https://github.com/nextcloud/security-advisories/security/advisories/GHSA-mcpf-v...
Third Party Advisory https://github.com/nextcloud/server/pull/28082
Permissions Required https://hackerone.com/reports/1251776
Third Party Advisory https://security.gentoo.org/glsa/202208-17
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal