Vulnerability in schneider-electric (CVE-2021-22702, CVSS 7.5)

Summary

vulnerability in schneider-electric (CVE-2021-22702). Confidential information can be exposed externally.

Original description

The description as published by the source.

A CWE-319: Cleartext transmission of sensitive information vulnerability exists in PowerLogic ION7400, ION7650, ION7700/73xx, ION83xx/84xx/85xx/8600, ION8650, ION8800, ION9000 and PM800 (see notification for affected versions), that could cause disclosure of user credentials when a malicious actor intercepts Telnet network traffic between a user and the device.

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-2021-22702 has been found in schneider-electric.
Confidential information can be exposed externally. CVSS score: 7.5/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "schneider-electric CVE-2021-22702" on the vendor's site.

CVE-2021-22702 (schneider-electric) — CWE-319 / CVSS v3 7.5
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.

❓ What is the problem

この脆弱性は、資格情報が平文で送信される問題。

📍 Affected scope

PowerLogic IONシリーズの機器。

🔥 Severity

悪意のある行為者が通信を傍受し、資格情報が漏洩する可能性がある。

🔧 How to fix

Schneider Electricから提供されているパッチを適用する。

🛡️ Workaround

情報なし

🔍 Detection

通信を監視し、平文の資格情報を特定する。

Response actions

Concrete steps and command examples for SOC/SRE teams to execute in order

1
Identify 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。
7
Post-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 nvd.nist.gov
web se.com
web github.com