#VU65374 Authorization bypass through user-controlled key in Nextcloud Mail - CVE-2022-31131
Published: July 18, 2022
Vulnerability identifier: #VU65374
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-31131
CWE-ID: CWE-639
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Nextcloud Mail
Nextcloud Mail
Software vendor:
Nextcloud
Nextcloud
Description
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to missing ownership check when updating or deleting mail attachments. A remote user can cause the attachment is unavailable for the given message in the outbox.
Remediation
Install updates from vendor's website.