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CVE-2023-6022
Cross-Site Request Forgery (CSRF) in prefect (CVE-2023-6022)
Summary
vulnerability in prefect (CVE-2023-6022). Successful exploitation can lead to full system takeover. Mitigation: upgrade to `2.16.5` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2023-6022** has been found in prefect.
Successful exploitation can lead to full system takeover. CVSS score: ?/10.
What to do: upgrade prefect to **2.16.5** or later.
If unsure, ask your IT team or search "prefect CVE-2023-6022" on the vendor's site.
CVE-2023-6022 (prefect) — CWE-352 /
Attack vector: remote (network-reachable) / unauthenticated
Patched: `2.16.5` — 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
**CSRF** (CWE-352) exists in prefect.
📍 Affected scope
prefect — .
🔥 Severity
Severity: ?. Successful exploitation can lead to full system takeover
🔧 How to fix
Update to **2.16.5**.
🛡️ 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 'prefect' .` 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 'prefect' . | 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 `prefect` 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 prefect to 2.16.5ステージング環境で 2.16.5 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
prefect
[{"type":"ECOSYSTEM","events":[{"introduced":"2.0.0"},{"fixed":"2.16.5"}]}]
References
- advisory https://nvd.nist.gov/vuln/detail/CVE-2023-6022
- advisory https://github.com/advisories/GHSA-4hh5-2678-83fx
- package https://github.com/prefecthq/prefect
- package https://pypi.org/project/prefect
- web https://github.com/prefecthq/prefect/commit/227dfcc7e3374c212a4bcd68b14e090b1c02d9d3
- web https://github.com/PrefectHQ/prefect/blob/main/RELEASE-NOTES.md#release-2165
- web https://huntr.com/bounties/dab47d99-551c-4355-9ab1-c99cb90235af