7.5
HIGH
CVE-2021-28117
KDE Discover URL Cloning Vulnerability
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.)

INFO

Published Date :

March 20, 2021, 9:15 p.m.

Last Modified :

Nov. 21, 2024, 5:59 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2021-28117 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Kde discover
References to Advisories, Solutions, and Tools

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-28117 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-28117 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://github.com/KDE/discover/commit/fcd3b30552bf03a384b1a16f9bb8db029c111356
    Added Reference https://github.com/KDE/discover/releases
    Added Reference https://invent.kde.org/plasma/discover/commit/94478827aab63d2e2321f0ca9ec5553718798e60
    Added Reference https://kde.org/info/security/advisory-20210310-1.txt
    Added Reference https://userbase.kde.org/Discover
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Oct. 15, 2024

    Action Type Old Value New Value
    Added CVSS V3.1 CISA-ADP AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Dec. 28, 2023

    Action Type Old Value New Value
    Changed Reference Type https://github.com/KDE/discover/commit/fcd3b30552bf03a384b1a16f9bb8db029c111356 No Types Assigned https://github.com/KDE/discover/commit/fcd3b30552bf03a384b1a16f9bb8db029c111356 Patch
  • CVE Modified by [email protected]

    Nov. 16, 2023

    Action Type Old Value New Value
    Added Reference MITRE https://github.com/KDE/discover/commit/fcd3b30552bf03a384b1a16f9bb8db029c111356 [No types assigned]
  • Initial Analysis by [email protected]

    Apr. 01, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:P/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
    Changed Reference Type https://github.com/KDE/discover/releases No Types Assigned https://github.com/KDE/discover/releases Third Party Advisory
    Changed Reference Type https://invent.kde.org/plasma/discover/commit/94478827aab63d2e2321f0ca9ec5553718798e60 No Types Assigned https://invent.kde.org/plasma/discover/commit/94478827aab63d2e2321f0ca9ec5553718798e60 Patch, Third Party Advisory
    Changed Reference Type https://kde.org/info/security/advisory-20210310-1.txt No Types Assigned https://kde.org/info/security/advisory-20210310-1.txt Patch, Vendor Advisory
    Changed Reference Type https://userbase.kde.org/Discover No Types Assigned https://userbase.kde.org/Discover Product, Vendor Advisory
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:a:kde:discover:*:*:*:*:*:*:*:* versions up to (excluding) 5.21.3
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-28117 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-28117 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.10 }} 0.01%

score

0.40006

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability