CVE-2020-15824
In JetBrains Kotlin before 1.4.0, there is a script-cache privilege escalation vulnerability due...
CVE-2020-15824 is a high vulnerability (CVSS 8.8) in Jetbrains Kotlin, published August 8, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.88%, the 79th percentile. No source names a fixed version.
- Severity
- 8.8 HighCVSS 3.1, NVD
- Exploit chance
- 1.88%EPSS, 79th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
kotlinUbuntu:22.04:LTS | All versions, plus listed versions 1.3.31+~1.0.1+~0.11.12-2 | None known |
kotlinUbuntu:24.04:LTS | All versions, plus listed versions 1.3.31+ds1-1build51.3.31+ds1-1ubuntu1 | None known |
kotlinUbuntu:25.10 | All versions, plus listed versions 1.3.31+ds1-21.3.31+ds1-3 | None known |
kotlinUbuntu:26.10 | All versions, plus listed versions 1.3.31+ds1-3ubuntu11.3.31+ds1-4 | None known |
kotlinUbuntu:26.04:LTS | All versions, plus listed versions 1.3.31+ds1-31.3.31+ds1-3ubuntu1 | None known |
What each source reports
NVD Score used
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.
- Record
CVE-2020-15824- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-269
- Updated
- 2026-11-02
CVE ListNo score
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.
- Record
CVE-2020-15824- Updated
- 2026-11-02
EUVDEUVD-2020-7806No score
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.
- Record
EUVD-2020-7806- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vhcp-vwq7-69fwNo score
In JetBrains Kotlin before 1.4.0, there is a script-cache privilege escalation vulnerability due...
In JetBrains Kotlin before 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.
- Record
GHSA-vhcp-vwq7-69fw- Weakness
- CWE-269
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2020-15824- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-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.
- Record
UBUNTU-CVE-2020-15824- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
lists.apache.org/thread.html/ra12c3e23b021f259a201648005b9946acd7f618a6f32301c97047967%40%3Cusers.groovy.apache.org%3E
openwall.com/lists/oss-security/2020/12/06/1
oracle.com/security-alerts/cpuoct2021.html
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blog.jetbrains.com/blog/2020/08/06/jetbrains-security-bulletin-q2-2020
nvd.nist.gov/vuln/detail/CVE-2020-15824
github.com/advisories/GHSA-vhcp-vwq7-69fw
ubuntu.com/security/CVE-2020-15824
cve.org/CVERecord?id=CVE-2020-15824