Description
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.
References (6)
Core 6
Core References
Vendor Advisory x_refsource_misc
https://blog.jetbrains.com
Mailing List mailing-list
x_refsource_mlist
https://lists.apache.org/thread.html/r2721aba31a8562639c4b937150897e24f78f747cdbda8641c0f659fe%40%3Cusers.kafka.apache.org%3E
Patch, Third Party Advisory x_refsource_misc
https://www.oracle.com//security-alerts/cpujul2021.html
Vendor Advisory x_refsource_misc
https://blog.jetbrains.com/blog/2021/02/03/jetbrains-security-bulletin-q4-2020/
Patch, Third Party Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpujan2022.html
Patch, Third Party Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpuapr2022.html
Scores
CVSS v3
5.3
EPSS
0.0000
EPSS Percentile
0.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Details
CWE
CWE-276
Status
published
Products (5)
jetbrains/kotlin
< 1.4.21
oracle/communications_cloud_native_core_network_slice_selection_function
1.2.1
oracle/communications_cloud_native_core_policy
1.14.0
oracle/communications_cloud_native_core_service_communication_proxy
1.14.0
org.jetbrains.kotlin/kotlin-stdlib
0 - 1.4.21Maven
Published
Feb 03, 2021
Tracked Since
Feb 18, 2026