Vulnerability in PatrOwl (CVE-2021-43828)

Summary

Vulnerability in PatrOwl (CVE-2021-43828). Confidential information can be exposed externally.

Original description

The description as published by the source.

PatrOwl is a free and open-source solution for orchestrating Security Operations. In versions prior to 1.77 an improper privilege management (IDOR) has been found in PatrowlManager. All imports findings file is placed under /media/imports// In that, owner_id is predictable and tmp_file is in format of import__, for example: import_1_1639213059582.json This filename is predictable and allows anyone without logging in to download all finding import files This vulnerability is capable of allowing unlogged in users to download all finding imports file. Users are advised to update to 1.7.7 as soon as possible. There are no known workarounds.

Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV

Auto-generated summary

Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.

A vulnerability tracked as CVE-2021-43828 has been found in PatrOwl.
Confidential information can be exposed externally.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "PatrOwl CVE-2021-43828" on the vendor's site.

CVE-2021-43828 (PatrOwl)
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
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 (unclassified) exists in PatrOwl.

📍 Affected scope

Check the vendor advisory for the affected versions of PatrOwl.

🔥 Severity

Severity: ?. Confidential information can be exposed externally.

🔧 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 'PatrOwl' . against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.

Response actions

Concrete steps and command examples for SOC/SRE teams to execute in order

1
Identify exposure identify
```
grep -r 'PatrOwl' . | 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 PatrOwl を grep し、稼働しているサービス・バージョンを把握する。
2
Post-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。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。

References

advisory github.com
patch huntr.dev