Vulnerability in JetBrains Kotlin (CVE-2020-29582)
Summary
Vulnerability in JetBrains Kotlin (CVE-2020-29582). Risk of unauthorized operations or information disclosure.
Original description
The description as published by the source.
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.
Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2020-29582 has been found in JetBrains Kotlin.
Risk of unauthorized operations or information disclosure.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "JetBrains Kotlin CVE-2020-29582" on the vendor's site.
CVE-2020-29582 (JetBrains Kotlin)
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
A vulnerability (unclassified) exists in JetBrains Kotlin.
Check the vendor advisory for the affected versions of JetBrains Kotlin.
Severity: ?. Risk of unauthorized operations or information disclosure.
Update to the patched release per vendor advisory.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで JetBrains Kotlin を使っているサービスとバージョンを洗い出す。
-
2Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
Affected packages
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Debian DEBIAN-CVE-2020-29582 kotlin
- Ubuntu UBUNTU-CVE-2020-29582 kotlin
References
- advisory blog.jetbrains.com
- advisory lists.apache.org
- advisory nvd.nist.gov
- web blog.jetbrains.com
- web oracle.com
- web oracle.com
- web oracle.com
- web blog.jetbrains.com
- web lists.apache.org