CVE-2023-39963

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.1 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L
GitHub_MCNA
8.1 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L
CVEADP
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CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 34%
VendorProductVersion
nextcloudnextcloud_server
20.0.0 ≤
𝑥
< 20.0.14.15
nextcloudnextcloud_server
21.0.0 ≤
𝑥
< 21.0.9.13
nextcloudnextcloud_server
22.0.0 ≤
𝑥
< 22.2.10.14
nextcloudnextcloud_server
23.0.0 ≤
𝑥
< 23.0.12.9
nextcloudnextcloud_server
24.0.0 ≤
𝑥
< 24.0.12.5
nextcloudnextcloud_server
25.0.0 ≤
𝑥
< 25.0.9
nextcloudnextcloud_server
25.0.0 ≤
𝑥
< 25.0.9
nextcloudnextcloud_server
26.0.0 ≤
𝑥
< 26.0.4
nextcloudnextcloud_server
26.0.0 ≤
𝑥
< 26.0.4
nextcloudnextcloud_server
27.0.0
nextcloudnextcloud_server
27.0.0
𝑥
= Vulnerable software versions