7.5

CVE-2021-28117: kde discover

CVSS: 7.5v3.1HighModified
AliasesMGASA-2021-0146UBUNTU-CVE-2021-28117DEBIAN-CVE-2021-28117
Published 20-03-2021Last modified 15-10-2024
Open JSON

Vulnerability summary

CVE-2021-28117 is a high (CVSS 7.5) vulnerability in kde discover. EPSS estimates a 1.56% chance of exploitation in the next 30 days, higher than 74.9% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
1.56%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 20-03-2021
    PublishedVulnerability first disclosed.
  2. 15-10-2024
    Last modifiedVulnerability information updated.

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.)

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

1.56%

Chance of exploitation in the next 30 days

Percentile

75%

Versus all other CVEs

30-day change

0.00 pp

From 1.56% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.56%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Mageia2 products
  • discover< 5.15.4-2.2.mga7
  • discover< 5.20.4-3.1.mga8
Debian1 product
  • plasma-discover< 5.20.5-3
Kde1 product
Ubuntu1 product
  • plasma-discoverAll versions (No fix recorded)

4 vendors · 5 products

References

10 links