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CVE-2020-10648
high
CVSS 7.8
Vulnerability in denx (CVE-2020-10648)
Summary
vulnerability in denx (CVE-2020-10648). Successful exploitation can lead to full system takeover.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2020-10648** has been found in denx.
Successful exploitation can lead to full system takeover. CVSS score: 7.8/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "denx CVE-2020-10648" on the vendor's site.
CVE-2020-10648 (denx) — CWE-20 / CVSS v3 7.8
Attack vector: local / 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
**A vulnerability** (CWE-20) exists in denx.
📍 Affected scope
denx — .
🔥 Severity
Severity: High (CVSS 7.8/10). 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 'denx' .` against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response Actions (7 steps)
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
grep -r 'denx' . | 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 `denx` 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
- exploit af854a3a-2127-422b-91ae-364da2661108
- web http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00030.html
- web http://www.openwall.com/lists/oss-security/2020/03/18/5
- web https://github.com/u-boot/u-boot/commits/master
- web https://cert-portal.siemens.com/productcert/html/ssa-577017.html
- web https://nvd.nist.gov/vuln/detail/CVE-2020-10648
- web https://labs.f-secure.com/advisories/das-u-boot-verified-boot-bypass
- web https://github.com/advisories/GHSA-qxmg-j2wh-fmfw