Vulnerability in Liferay Portal (CVE-2021-33327)

Summary

Vulnerability in Liferay Portal (CVE-2021-33327). Risk of unauthorized operations or information disclosure.

Original description

The description as published by the source.

The Portlet Configuration module in Liferay Portal 7.2.0 through 7.3.3, and Liferay DXP 7.0 fix pack pack 93 and 94, 7.1 fix pack 18, and 7.2 before fix pack 8, does not properly check user permission, which allows remote authenticated users to view the Guest and User role even if "Role Visibility" is enabled.

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-2021-33327 has been found in Liferay Portal.
Risk of unauthorized operations or information disclosure.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "Liferay Portal CVE-2021-33327" on the vendor's site.

CVE-2021-33327 (Liferay Portal)
Attack vector: remote (network-reachable) / 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 Liferay Portal.

📍 Affected scope

Check the vendor advisory for the affected versions of Liferay Portal.

🔥 Severity

Severity: ?. Risk of unauthorized operations or information disclosure.

🔧 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. Audit SBOM/dependencies to find affected services.

Response actions

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

1
Identify exposure identify
```
Audit SBOM/dependencies for affected components.
```
資産台帳・SBOM・依存マニフェストで Liferay Portal を使っているサービスとバージョンを洗い出す。
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 portal.liferay.dev
patch issues.liferay.com