Cross-Site Request Forgery (CSRF) in Moxa (CVE-2017-7917, CVSS 8.8)

Summary

Vulnerability in Moxa (CVE-2017-7917). Successful exploitation can lead to full system takeover.

Original description

The description as published by the source.

A Cross-Site Request Forgery issue was discovered in Moxa OnCell G3110-HSPA Version 1.3 build 15082117 and previous versions, OnCell G3110-HSDPA Version 1.2 Build 09123015 and previous versions, OnCell G3150-HSDPA Version 1.4 Build 11051315 and previous versions, OnCell 5104-HSDPA, OnCell 5104-HSPA, and OnCell 5004-HSPA. The application does not sufficiently verify if a request was intentionally provided by the user who submitted the request, which could allow an attacker to modify the configuration of the device.

Source: NIST National Vulnerability Database NVD

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-2017-7917 has been found in Moxa.
Successful exploitation can lead to full system takeover. CVSS score: 8.8/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "Moxa CVE-2017-7917" on the vendor's site.

CVE-2017-7917 (Moxa) — CWE-352 / CVSS v3 8.8
Attack vector: remote (network-reachable) / 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.

❓ What is the problem

CSRF (CWE-352) exists in Moxa.

📍 Affected scope

Check the vendor advisory for the affected versions of Moxa.

🔥 Severity

Severity: High (CVSS 8.8/10). Successful exploitation can lead to full system takeover.

🔧 How to fix

Update to the patched release per vendor advisory.

🛡️ Workaround

Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.

🔍 Detection

Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run grep -r 'Moxa' . against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.

Response actions

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

1
Identify exposure identify
```
grep -r 'Moxa' . | 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 Moxa を grep し、稼働しているサービス・バージョンを把握する。
2
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。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。

References

advisory ics-cert.us-cert.gov