Vulnerability Details : 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.)
Products affected by CVE-2021-28117
- cpe:2.3:a:kde:discover:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-28117
0.10%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 40 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-28117
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:P/A:N |
10.0
|
2.9
|
NIST | |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
3.9
|
3.6
|
134c704f-9b21-4f2e-91b3-4a467353bcc0 | 2024-10-15 |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
3.9
|
3.6
|
NIST |
References for CVE-2021-28117
-
https://kde.org/info/security/advisory-20210310-1.txt
Patch;Vendor Advisory
-
https://github.com/KDE/discover/commit/fcd3b30552bf03a384b1a16f9bb8db029c111356
Only turn http[s] links into clickable links · KDE/discover@fcd3b30 · GitHubPatch
-
https://invent.kde.org/plasma/discover/commit/94478827aab63d2e2321f0ca9ec5553718798e60
Only turn http[s] links into clickable links (94478827) · Commits · Plasma / Discover · GitLabPatch;Third Party Advisory
-
https://userbase.kde.org/Discover
Discover - KDE UserBase WikiProduct;Vendor Advisory
-
https://github.com/KDE/discover/releases
Releases · KDE/discover · GitHubThird Party Advisory
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