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CVE-2021-44217
Cross-Site Scripting (XSS) in codechecker (CVE-2021-44217)
Summary
cross-site scripting in codechecker (CVE-2021-44217). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `6.18.2` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2021-44217** has been found in codechecker.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade codechecker to **6.18.2** or later.
If unsure, ask your IT team or search "codechecker CVE-2021-44217" on the vendor's site.
CVE-2021-44217 (codechecker) — CWE-79 /
Attack vector: remote (network-reachable) / unauthenticated
Patched: `6.18.2` — 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
**Cross-site scripting (XSS)** (CWE-79) exists in codechecker.
📍 Affected scope
codechecker — .
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **6.18.2**.
🛡️ 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 'codechecker' .` 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 'codechecker' . | 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 `codechecker` 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 codechecker to 6.18.2ステージング環境で 6.18.2 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
codechecker
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.18.2"}]}]
PyPI
codechecker-api
pip
codechecker
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.18.2"}]}]
References
- advisory https://nvd.nist.gov/vuln/detail/CVE-2021-44217
- advisory https://github.com/advisories/GHSA-fxmx-pfm2-85m2
- package https://github.com/Ericsson/codechecker
- package https://pypi.org/project/codechecker
- report https://codechecker-demo.eastus.cloudapp.azure.com/
- web https://github.com/Ericsson/codechecker/releases
- web https://user-images.githubusercontent.com/9525971/142965091-e118b012-a7fc-4c2f-ad0c-80aeed6f7ec9.png
- web https://github.com/Ericsson/codechecker/pull/3549
- web https://github.com/Hyperkopite/CVE-2021-44217/blob/main/README.md
- web https://github.com/Ericsson/codechecker/commit/72ee51158e6d81150320223b85410c179b9ee2b1
- web https://codechecker-demo.eastus.cloudapp.azure.com
- web https://github.com/Ericsson/codechecker/releases/tag/v6.18.2
- web https://github.com/pypa/advisory-database/tree/main/vulns/codechecker-api/PYSEC-2022-43181.yaml