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CVE-2024-27199
CISA KEV
high
[KEV] Vulnerability in Jetbrains teamcity (CVE-2024-27199)
Summary
vulnerability in Jetbrains teamcity (CVE-2024-27199). Risk of unauthorized operations or information disclosure. Listed in CISA KEV — actively exploited.
AI summary openai / gpt-4o
A vulnerability in JetBrains TeamCity could allow attackers to access system files and perform limited admin actions. If exploited, it can compromise your business's operational systems and expose sensitive information. Rapid application of security patches and bolstering system defenses are crucial. Similar vulnerabilities, like the OpenSSL bug, have previously had widespread impacts.
JetBrains TeamCity has a relative path traversal vulnerability allowing limited admin actions by attackers. The specific affected and fixed versions are not detailed, but applying available security patches is recommended. Workarounds or specific vulnerable endpoints are not available from the given material. Detection can involve monitoring logs for unusual path activity and strengthening WAF configurations.
❓ What is the problem
JetBrains TeamCity contains a relative path traversal vulnerability allowing limited admin actions.
📍 Affected scope
Specific endpoints or functions are not detailed in the provided material.
🔥 Severity
Exploiting this can lead to unauthorized access to critical system files and operations.
🔧 How to fix
Apply the latest security patches from JetBrains.
🛡️ Workaround
Specific workarounds are not detailed in the material.
🔍 Detection
Monitor access logs for unusual path activity and strengthen WAF configurations.
Related past incidents Similar incidents extracted from past CVEs
Spring framework path traversal vulnerability similar allowing unauthorized access.
Apache Struts exploit involving similar path manipulation leading to RCE.
Linux kernel vulnerability in path traversal affecting networking.
If this happens at your company Expected impact per business scenario
📌 ECサイトの場合
攻撃者が不正に管理者権限を用いて在庫情報を操作でき、販売に影響が出る可能性がある。
📌 社内システムの場合
機密情報に不正アクセスされ、データ漏洩のリスクが高まる可能性がある。
📌 クラウドサービスを利用する中小企業
クラウド上のファイルシステム操作がされ、業務データの不正変更が行われる可能性がある。
Recommended action
直ちにセキュリティパッチを適用し、アクセスログを監視することで不正アクセスを早期に検知する体制を整える。
Response Actions (7 steps)
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
grep -r 'teamcity' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で `teamcity` を grep し、稼働しているサービス・バージョンを把握する。
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4Consider incident declaration escalate
Notify SOC / on-callCISA KEV登録済 = 実環境で悪用が観測されている。Step 3 で兆候があればインシデント対応宣言、無くてもパッチ適用までWAF強化を最優先で。
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7Post-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 Step 3 と同じログクエリでアラート再発が無いか継続監視。
References
- advisory NVD