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[email protected]NVD:CVE-2021-22895

HistoryJun 11, 2021 - 4:15 p.m.

CVE-2021-22895

2021-06-1116:15:10

CWE-295

[email protected]

web.nvd.nist.gov

nextcloud

desktop client

ssl certificate

certificate validation

improper validation

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

EPSS

0.002

Percentile

56.7%

JSON

Nextcloud Desktop Client before 3.3.1 is vulnerable to improper certificate validation due to lack of SSL certificate verification when using the “Register with a Provider” flow.

Affected configurations

Nvd

Node

nextclouddesktopRange<3.1.3

Node

debiandebian_linuxMatch10.0

debiandebian_linuxMatch11.0

VendorProductVersionCPE
nextclouddesktop*cpe:2.3:a:nextcloud:desktop:*:*:*:*:*:*:*:*
debiandebian_linux10.0cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
debiandebian_linux11.0cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
nextcloud	desktop	*	cpe:2.3:a:nextcloud:desktop::::::::
debian	debian_linux	10.0	cpe:2.3:o:debian:debian_linux:10.0:::::::*
debian	debian_linux	11.0	cpe:2.3:o:debian:debian_linux:11.0:::::::*