JetBrains Kotlin versions before 1.3.30 were resolving artifacts using an http connection during the build process, potentially allowing an MITM attack.
8.1CVSS
7.9AI Score
0.003EPSS
JetBrains Ktor framework (created using the Kotlin IDE template) versions before 1.1.0 were resolving artifacts using an http connection during the build process, potentially allowing an MITM attack. This issue was fixed in Kotlin plugin version 1.3.30.
8.1CVSS
7.9AI Score
0.002EPSS
JetBrains IntelliJ IDEA projects created using the Kotlin (JS Client/JVM Server) IDE Template were resolving Gradle artifacts using an http connection, potentially allowing an MITM attack. This issue, which was fixed in Kotlin plugin version 1.3.30, is similar to CVE-2019-10101.
8.1CVSS
7.8AI Score
0.003EPSS
In JetBrains Kotlin from 1.4-M1 to 1.4-RC (as Kotlin 1.3.7x is not affected by the issue. Fixed version is 1.4.0) there is a script-cache privilege escalation vulnerability due to kotlin-main-kts cached scripts in the system temp directory, which is shared by all users by default.
8.8CVSS
8.6AI Score
0.004EPSS
In JetBrains Kotlin before 1.4.21, a vulnerable Java API was used for temporary file and folder creation. An attacker was able to read data from such files and list directories due to insecure permissions.
5.3CVSS
5.2AI Score
0.001EPSS
In JetBrains Kotlin before 1.6.0, it was not possible to lock dependencies for Multiplatform Gradle Projects.
5.3CVSS
5.4AI Score
0.001EPSS