CVE-2025-66270

The KDE Connect protocol 8 before 2025-11-28 does not correlate device IDs across two packets. This affects KDE Connect before 25.12 on desktop, KDE Connect before 0.5.4 on iOS, KDE Connect before 1.34.4 on Android, GSConnect before 68, and Valent before 1.0.0.alpha.49.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4.7 MEDIUM
ADJACENT_NETWORK
HIGH
NONE
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
mitreCNA
4.7 MEDIUM
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Debian logo
Debian Releases
Debian Product
Codename
gnome-shell-extension-gsconnect
bookworm
54-2
not-affected
bullseye
not-affected
trixie
vulnerable
trixie (security)
62-1+deb13u1
fixed
forky
71-1
fixed
sid
71-1
fixed
kdeconnect
bullseye
20.12.3-2
not-affected
bookworm
22.12.3-1
not-affected
trixie
vulnerable
trixie (security)
25.04.2-1+deb13u1
fixed
forky
25.11.80+git20251121.7090b106-1
fixed
sid
25.11.80+git20251121.7090b106-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
kdeconnect
questing
Fixed 25.08.1-0ubuntu2.1
released
plucky
not-affected
noble
not-affected
jammy
not-affected
focal
not-affected
bionic
not-affected
xenial
not-affected
gnome-shell-extension-gsconnect
questing
needed
plucky
needed
noble
not-affected
jammy
not-affected
focal
not-affected
Common Weakness Enumeration
References
https://github.com/GSConnect/gnome-shell-extension-gsconnect/commit/a38246deec0af50ae218cdc51db32cdd7eb145e3
https://github.com/andyholmes/valent/commit/85f773124a67ed1add79e7465bb088ec667cccce
https://invent.kde.org/network/kdeconnect-android/-/commit/675d2d24a1eb95d15d9e5bde2b7e2271d5ada6a9
https://invent.kde.org/network/kdeconnect-ios/-/commit/6c003c22d04270cabc4b262d399c753d55cf9080
https://invent.kde.org/network/kdeconnect-kde/-/commit/4e53bcdd5d4c28bd9fefd114b807ce35d7b3373e
https://kde.org/info/security/advisory-20251128-1.txt