Kotlin
CVE-2020-15824
HIGH
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V8 - Authorization Least privilege enforcement
MITRE ATT&CK
1 technique across 1 tactic: Privilege Escalation The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 8.8 (HIGH). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required. |
| Exploit ScenarioDerived | A remote attacker could escalate privileges to gain unauthorized elevated access by sending crafted requests to the affected application. |
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Alert meAnalysisAI
In JetBrains Kotlin from 1.4-M1 to 1.4-RC (as Kotlin 1.3.7x is not affected by the issue. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. This Improper Privilege Management vulnerability could allow attackers to escalate privileges to gain unauthorized elevated access.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Apply principle of least privilege, validate privilege transitions, implement proper role separation.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Improper Privilege Management (CWE-269), which allows attackers to escalate privileges to gain unauthorized elevated access. 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. Affected products include: Jetbrains Kotlin, Oracle Banking Extensibility Workbench, Oracle Communications Cloud Native Core Policy.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
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.
Threat Intelligence Overview
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Privilege escalation occurs when an attacker leverages flaws in access control mechanisms to gain permissions beyond what they were originally granted.
Affected Products (CPE)NVD
JetBrains Kotlin versions before 1.3.30 were resolving artifacts using an http connection during the build process, pote
Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubn
Cookie scoping bypass in the http4k client-side cookie jar (Maven org.http4k:http4k-core) causes cookies stored by Basic
Replay of captured Digest authentication credentials is possible in the http4k http4k-security-digest module (org.http4k
JetBrains IntelliJ IDEA projects created using the Kotlin (JS Client/JVM Server) IDE Template were resolving Gradle arti
JetBrains Ktor framework (created using the Kotlin IDE template) versions before 1.1.0 were resolving artifacts using an
Remote code execution in JetBrains Kotlin before 2.4.20 stems from unsafe deserialization (CWE-502) of build cache metad
Unbounded buffering in the Server-Sent Events parser of the AG-UI Community SDK (Kotlin/Java) lets a malicious or man-in
In JetBrains Kotlin before 1.6.0, it was not possible to lock dependencies for Multiplatform Gradle Projects. Rated medi
NVD
CVE.org
EPSS
GitHub PoC
Exploit-DB