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CVE-2016-10321
critical
CVSS 9.8
Vulnerability in web2py (CVE-2016-10321)
Summary
vulnerability in web2py (CVE-2016-10321). Successful exploitation can lead to full system takeover. Mitigation: upgrade to `2.14.6` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2016-10321** has been found in web2py.
Successful exploitation can lead to full system takeover. CVSS score: 9.8/10.
What to do: upgrade web2py to **2.14.6** or later.
If unsure, ask your IT team or search "web2py CVE-2016-10321" on the vendor's site.
CVE-2016-10321 (web2py) — CWE-307 / CVSS v3 9.8
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Patched: `2.14.6` — 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
**A vulnerability** (CWE-307) exists in web2py.
📍 Affected scope
web2py — .
🔥 Severity
Severity: Critical (CVSS 9.8/10). Successful exploitation can lead to full system takeover
🔧 How to fix
Update to **2.14.6**.
🛡️ 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 'web2py' .` 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 'web2py' . | 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 `web2py` を grep し、稼働しているサービス・バージョンを把握する。
-
6Apply patch patch
Upgrade web2py to 2.14.6ステージング環境で 2.14.6 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。
-
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
web2py
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.14.6"}]}]
References
- advisory https://nvd.nist.gov/vuln/detail/CVE-2016-10321
- advisory https://github.com/advisories/GHSA-gv85-wgxc-vc56
- package https://github.com/web2py/web2py
- package https://pypi.org/project/web2py
- web https://github.com/web2py/web2py/commit/944d8bd8f3c5cf8ae296fc03d149056c65358426
- web https://github.com/web2py/web2py/issues/1585#issuecomment-284317919
- web af854a3a-2127-422b-91ae-364da2661108
- web https://usn.ubuntu.com/4030-1