Vulnerability in KDE Discover
CVE-2021-28117
libdiscover/backends/KNSBackend/KNSResource.cpp in KDE Discover before 5.21.3 automatically creates links to potentially dangerous URLs (that are neither https:// nor http://) based on the content of the store.kde.org web site. (5.18.7 is also a fixed version.)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.016 (74.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
References
- userbase.kde.org/Discover (Product, Vendor Advisory)
- github.com/KDE/discover/releases (Third Party Advisory)
- kde.org/info/security/advisory-20210310-1.txt (Patch, Vendor Advisory)
- invent.kde.org/plasma/discover/commit/94478827aab63d2e2321f0ca9ec5553718798e60 (Patch, Third Party Advisory)
- github.com/KDE/discover/commit/fcd3b30552bf03a384b1a16f9bb8db029c111356 (Patch)
Frequently asked questions
- What is CVE-2021-28117?
- CVE-2021-28117 is a high-severity vulnerability in KDE Discover. CVSS score: 7.5/10. Published 2021-03-20.
- How severe is CVE-2021-28117?
- High severity. CVSS v3 base score is 7.5 out of 10.