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CVE-2021-4180
Information Disclosure in tripleo-heat-templates (CVE-2021-4180)
Summary
vulnerability in tripleo-heat-templates (CVE-2021-4180). Risk of unauthorized operations or information disclosure. Exploitable via ``master``. Mitigation: upgrade to `11.6.1` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2021-4180** has been found in tripleo-heat-templates.
Attackers can target a specific entry point like ``master`` over the network to misuse the product.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade tripleo-heat-templates to **11.6.1** or later.
If unsure, ask your IT team or search "tripleo-heat-templates CVE-2021-4180" on the vendor's site.
CVE-2021-4180 (tripleo-heat-templates) — CWE-200 /
Attack vector: remote (network-reachable) / no user interaction
Attack surface: `master`
Patched: `11.6.1` — 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.
❓ What is the problem
**information disclosure** (CWE-200) exists in tripleo-heat-templates. Attackers reach the vulnerable code path via ``master`` without authentication.
📍 Affected scope
tripleo-heat-templates — . Attack surface: `master`.
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **11.6.1**.
🛡️ 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 'tripleo-heat-templates' .` 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
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1Identify exposure identify
grep -r 'tripleo-heat-templates' . | 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 `tripleo-heat-templates` を grep し、稼働しているサービス・バージョンを把握する。
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6Apply patch patch
Upgrade tripleo-heat-templates to 11.6.1ステージング環境で 11.6.1 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と、Step 3 で見つけた異常検知の続報チェックを含めること。
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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。
Affected packages
PyPI
tripleo-heat-templates
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"11.6.1"}]}]
References
- advisory https://nvd.nist.gov/vuln/detail/CVE-2021-4180
- advisory https://github.com/advisories/GHSA-hm3x-jwwf-jpr9
- package https://github.com/openstack/tripleo-heat-templates
- package https://pypi.org/project/tripleo-heat-templates
- web https://github.com/openstack/tripleo-heat-templates/commit/160936df134a471cfd245bd60964046027a571ea
- web https://github.com/openstack/tripleo-heat-templates/commit/2b9461e97fc5c4ceb0848d1cc4484f656bb85515
- web https://bugs.launchpad.net/tripleo/+bug/1955397
- web https://bugzilla.redhat.com/show_bug.cgi?id=2035793