Vulnerability · Published Mar 20, 2021 · Assigned by mitre
CVE-2021-28117
High 7.5
In plain English
A high-severity security flaw in the discover package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 75% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.6%top 24.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.)
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | discover | 5.21.3-r0 | ALPINE-CVE-2021-28117 |
| Alpine:v3.21 | discover | 5.21.3-r0 | ALPINE-CVE-2021-28117 |
| Alpine:v3.22 | discover | 5.21.3-r0 | ALPINE-CVE-2021-28117 |
| Alpine:v3.23 | discover | 5.21.3-r0 | ALPINE-CVE-2021-28117 |
| Alpine:v3.24 | discover | 5.21.3-r0 | ALPINE-CVE-2021-28117 |
| Debian:12 | plasma-discover | 5.20.5-3 | DEBIAN-CVE-2021-28117 |
| Debian:13 | plasma-discover | 5.20.5-3 | DEBIAN-CVE-2021-28117 |
| Debian:14 | plasma-discover | 5.20.5-3 | DEBIAN-CVE-2021-28117 |