CVE-2021-32652

Public Exploit
Missing permission check on email metadata retrieval

Description

Nextcloud Mail is a mail app for the Nextcloud platform. A missing permission check in Nextcloud Mail before 1.4.3 and 1.8.2 allows another authenticated users to access mail metadata of other users. Versions 1.4.3 and 1.8.2 contain patches for this vulnerability; no workarounds other than the patches are known to exist.

Categories

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.34%
Third-Party Advisory github.com Third-Party Advisory hackerone.com
Affected: nextcloud security-advisories
Published at:
Updated at:

References

Link Tags
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-mxx2-6rg9-v2vc third party advisory
https://hackerone.com/reports/1094063 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-32652?
CVE-2021-32652 has been scored as a high severity vulnerability.
How to fix CVE-2021-32652?
To fix CVE-2021-32652, 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-2021-32652 being actively exploited in the wild?
It is possible that CVE-2021-32652 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-32652?
CVE-2021-32652 affects nextcloud security-advisories.
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