CVE-2023-35173

medium

Description

Nextcloud End-to-end encryption app provides all the necessary APIs to implement End-to-End encryption on the client side. By providing an invalid meta data file, an attacker can make previously dropped files inaccessible. It is recommended that the Nextcloud End-to-end encryption app is upgraded to version 1.12.4 that contains the fix.

References

https://hackerone.com/reports/1914115

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-x7c7-v5r3-mg37

https://github.com/nextcloud/end_to_end_encryption/pull/435

Details

Source: Mitre, NVD

Published: 2023-06-23

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 6.5

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

Severity: Medium

EPSS

EPSS: 0.00147