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CVE-2023-39963

nvd nist
Published: Aug 10, 2023Modified: Jun 17, 2026

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7.8
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitability: 1.8 / Impact: 5.9
Source: NVD

Description

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 20.0.0 and prior to versions 20.0.14.15, 21.0.9.13, 22.2.10.14, 23.0.12.8, 24.0.12.5, 25.0.9, 26.0.4, and 27.0.1, a missing password confirmation allowed an attacker, after successfully stealing a session from a logged in user, to create app passwords for the victim. Nextcloud server versions 25.0.9, 26.0.4, and 27.0.1 and Nextcloud Enterprise Server versions 20.0.14.15, 21.0.9.13, 22.2.10.14, 23.0.12.9, 24.0.12.5, 25.0.9, 26.0.4, and 27.0.1 contain a patch for this issue. No known workarounds are available.

Affected (11)

1 product
Nextcloud Server
Configuration A
11 vulnerable
Vulnerable SoftwareAffected Versions
Nextcloud
25.0.0 ≤ version < 25.0.9
26.0.0 ≤ version < 26.0.4
20.0.0 ≤ version < 20.0.14.15
21.0.0 ≤ version < 21.0.9.13
22.0.0 ≤ version < 22.2.10.14
23.0.0 ≤ version < 23.0.12.9
24.0.0 ≤ version < 24.0.12.5
25.0.0 ≤ version < 25.0.9
26.0.0 ≤ version < 26.0.4
Version 27.0.0
Version 27.0.0

References (6)

Source: security-advisories@github.com
Patch
Source: security-advisories@github.com
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

Timeline

No history available yet.