Privilege escalation in Jetbrains Kotlin
CVE-2020-15824
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.
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.018 (78.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- Jetbrains Kotlin — versions 1.4.0
- Oracle Banking Extensibility Workbench — versions 14.2, 14.3, 14.5
- Oracle Communications Cloud Native Core Policy — versions 1.14.0
Weakness classification (CWE)
References
- lists.apache.org/thread.html/ra12c3e23b021f259a201648005b9946acd7f618a6f32301c9… (mailing-list)
- lists.apache.org/thread.html/ra12c3e23b021f259a201648005b9946acd7f618a6f32301c9… (mailing-list)
- www.openwall.com/lists/oss-security/2020/12/06/1 (mailing-list, Mailing List, Third Party Advisory)
- lists.apache.org/thread.html/ra12c3e23b021f259a201648005b9946acd7f618a6f32301c9… (mailing-list)
- lists.apache.org/thread.html/ra9dab34bf8625511f23692ad0fcee2725f782e9aad6c5cdff… (mailing-list)
- www.oracle.com/security-alerts/cpuoct2021.html (Patch, Third Party Advisory)
- blog.jetbrains.com/blog/2020/08/06/jetbrains-security-bulletin-q2-2020/ (Vendor Advisory)
- www.oracle.com/security-alerts/cpujan2022.html (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-15824?
- CVE-2020-15824 is a high-severity vulnerability in Jetbrains Kotlin, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2020-08-08.
- How severe is CVE-2020-15824?
- High severity. CVSS v3 base score is 8.8 out of 10.