CVE-2021-28117

Description

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.)

7.5

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.71% Top 30%

Vendor Advisory kde.org Vendor Advisory kde.org

Affected: n/a n/a

References

Link	Tags
https://userbase.kde.org/Discover	product vendor advisory
https://github.com/KDE/discover/releases	third party advisory
https://kde.org/info/security/advisory-20210310-1.txt	patch vendor advisory
https://invent.kde.org/plasma/discover/commit/94478827aab63d2e2321f0ca9ec5553718798e60	third party advisory patch
https://github.com/KDE/discover/commit/fcd3b30552bf03a384b1a16f9bb8db029c111356	patch

Frequently Asked Questions

What is the severity of CVE-2021-28117?: CVE-2021-28117 has been scored as a high severity vulnerability.
How to fix CVE-2021-28117?: To fix CVE-2021-28117, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-28117 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-28117 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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