Command Injection in openmage/magento-lts (CVE-2021-39217)
Summary
Command injection in openmage/magento-lts (CVE-2021-39217). Successful exploitation can lead to full system takeover. Mitigation: upgrade to 20.0.19 or later.
Original description
The description as published by the source.
OpenMage LTS is an e-commerce platform. Prior to versions 19.4.22 and 20.0.19, Custom Layout enabled admin users to execute arbitrary commands via block methods. Versions 19.4.22 and 20.0.19 contain patches for this issue.
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-2021-39217 has been found in openmage/magento-lts.
Successful exploitation can lead to full system takeover.
What to do: upgrade openmage/magento-lts to 20.0.19 or later.
If unsure, ask your IT team or search "openmage/magento-lts CVE-2021-39217" on the vendor's site.
CVE-2021-39217 (openmage/magento-lts) — CWE-77
Attack vector: remote (network-reachable) / no user interaction
Patched: 20.0.19 — apply immediately
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 (CWE-77) exists in openmage/magento-lts.
Check the vendor advisory for the affected versions of openmage/magento-lts.
Severity: ?. Successful exploitation can lead to full system takeover.
Update to 20.0.19.
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. Run grep -r 'openmage/magento-lts' . 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
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1Identify exposure identify
grep -r 'openmage/magento-lts' . | 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
openmage/magento-ltsを grep し、稼働しているサービス・バージョンを把握する。 -
2Apply patch patch
Upgrade openmage/magento-lts to 20.0.19ステージング環境で 20.0.19 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスを含めること。
-
3Post-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
References
- advisory github.com
- advisory nvd.nist.gov
- advisory github.com
- advisory github.com
- package github.com
- patch github.com