Vulnerability Description
Nextcloud mail is a Mail app for the Nextcloud home server product. Versions of Nextcloud mail prior to 1.12.2 were found to be missing user account ownership checks when performing tasks related to mail attachments. Attachments may have been exposed to incorrect system users. It is recommended that the Nextcloud Mail app is upgraded to 1.12.2. There are no known workarounds for this issue. ### Workarounds No workaround available ### References * [Pull request](https://github.com/nextcloud/mail/pull/6600) * [HackerOne](https://hackerone.com/reports/1579820) ### For more information If you have any questions or comments about this advisory: * Create a post in [nextcloud/security-advisories](https://github.com/nextcloud/security-advisories/discussions) * Customers: Open a support ticket at [support.nextcloud.com](https://support.nextcloud.com)
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Nextcloud | Nextcloud Mail | < 1.12.2 |
Related Weaknesses (CWE)
References
- https://github.com/nextcloud/mail/pull/6600Issue TrackingPatchThird Party Advisory
- https://github.com/nextcloud/mail/pull/6600/commits/6dd2527be8d4f6788b449c8a8f55PatchThird Party Advisory
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-xhv7-5ExploitIssue TrackingThird Party Advisory
- https://github.com/nextcloud/mail/pull/6600Issue TrackingPatchThird Party Advisory
- https://github.com/nextcloud/mail/pull/6600/commits/6dd2527be8d4f6788b449c8a8f55PatchThird Party Advisory
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-xhv7-5ExploitIssue TrackingThird Party Advisory
FAQ
What is CVE-2022-31131?
CVE-2022-31131 is a vulnerability with a CVSS score of 5.4 (MEDIUM). Nextcloud mail is a Mail app for the Nextcloud home server product. Versions of Nextcloud mail prior to 1.12.2 were found to be missing user account ownership checks when performing tasks related to m...
How severe is CVE-2022-31131?
CVE-2022-31131 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-31131?
Check the references section above for vendor advisories and patch information. Affected products include: Nextcloud Nextcloud Mail.