CVE-2021-22895

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.9 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
hackeroneCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 62%
VendorProductVersion
nextclouddesktop
𝑥
< 3.1.3
debiandebian_linux
10.0
debiandebian_linux
11.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
nextcloud-desktop
bullseye (security)
3.1.1-2+deb11u1
fixed
bullseye
3.1.1-2+deb11u1
fixed
bookworm
3.7.3-1+deb12u1
fixed
sid
3.13.2-2
fixed
trixie
3.13.2-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
nextcloud-desktop
noble
needs-triage
mantic
ignored
lunar
ignored
kinetic
ignored
jammy
needs-triage
impish
ignored
hirsute
ignored
groovy
ignored
focal
needs-triage
bionic
dne
xenial
ignored
trusty
dne
Common Weakness Enumeration
References
https://github.com/nextcloud/desktop/pull/2926
https://github.com/nextcloud/desktop/releases/tag/v3.1.3
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-qpgp-vf4p-wcw5
https://hackerone.com/reports/903424
https://www.debian.org/security/2021/dsa-4974
https://github.com/nextcloud/desktop/pull/2926
https://github.com/nextcloud/desktop/releases/tag/v3.1.3
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-qpgp-vf4p-wcw5
https://hackerone.com/reports/903424
https://www.debian.org/security/2021/dsa-4974