Summary
vulnerability in schneider-electric (CVE-2020-7565). Confidential information can be exposed externally.
Original description
The description as published by the source.
A CWE-326: Inadequate Encryption Strength vulnerability exists in Modicon M221 (all references, all versions) that could allow the attacker to break the encryption key when the attacker has captured the traffic between EcoStruxure Machine - Basic software and Modicon M221 controller.
Source: NIST National Vulnerability Database NVD GitHub Advisory
AI summary
Written by an external AI model and may contain mistakes. Check the original description and references below before acting on it.
A vulnerability tracked as CVE-2020-7565 has been found in schneider-electric.
Confidential information can be exposed externally. CVSS score: 7.3/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "schneider-electric CVE-2020-7565" on the vendor's site.
CVE-2020-7565 (schneider-electric) — CWE-326 / CVSS v3 7.3
Attack vector: adjacent-network / unauthenticated
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.
Modicon M221における暗号化強度が不十分な脆弱性。
Modicon M221 (全バージョン)
攻撃者がトラフィックを捕捉した場合に暗号鍵を破られ、機密情報が漏洩する可能性があるため、重大。
Schneider Electricが提供するパッチを適用。
情報なし
情報なし
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
grep -r 'schneider-electric' . | 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
schneider-electricを grep し、稼働しているサービス・バージョンを把握する。 -
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
- patch se.com
- web us-cert.cisa.gov
- web nvd.nist.gov
- web se.com
- web github.com