CVE-2019-16891
CRITICALCVSS 9.8/10EPSS 45.65%
Last modified
CVE-2019-16891 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Liferay Portal CE 6.2.5 allows remote command execution because of deserialization of a JSON payload.. EPSS estimates a 45.65% chance of exploitation in the next 30 days.
Description
Liferay Portal CE 6.2.5 allows remote command execution because of deserialization of a JSON payload.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Liferay | Liferay Portal | <= 6.0.6 | — |
| Liferay | Liferay Portal | 6.1.0 | B1 |
| Liferay | Liferay Portal | 6.1.1 | Ga2 |
| Liferay | Liferay Portal | 6.1.2 | Ga3 |
| Liferay | Liferay Portal | 6.2.0 | B1 |
| Liferay | Liferay Portal | 6.2.1 | Ga2 |
| Liferay | Liferay Portal | 6.2.2 | Ga3 |
| Liferay | Liferay Portal | 6.2.3 | Ga4 |
| Liferay | Liferay Portal | 6.2.4 | Ga5 |
| Liferay | Liferay Portal | 6.2.5 | Ga6 |
| Liferay | Liferay Portal | 7.0.0 | A1 |
| Liferay | Liferay Portal | 7.0.1 | Ga2 |
| Liferay | Liferay Portal | 7.0.2 | Ga3 |
| Liferay | Liferay Portal | 7.0.3 | Ga4 |
| Liferay | Liferay Portal | 7.0.4 | Ga5 |
| Liferay | Liferay Portal | 7.0.5 | Ga6 |
| Liferay | Liferay Portal | 7.0.6 | Ga7 |
| Liferay | Liferay Portal | 7.1.0 | A1 |
| Liferay | Liferay Portal | 7.1.1 | Ga2 |
| Liferay | Liferay Portal | 7.1.2 | Ga3 |
| Liferay | Liferay Portal | 7.1.3 | Ga4 |
| Liferay | Liferay Portal | 7.2.0 | Alpha1 |
References
- https://dappsec.substack.com/p/an-advisory-for-cve-2019-16891-fromExploit, Third Party Advisory
- https://sec.vnpt.vn/2019/09/liferay-deserialization-json-deserialization-part-4/Exploit, Third Party Advisory
- https://www.liferay.com/downloads-communityProduct, Release Notes
- https://dappsec.substack.com/p/an-advisory-for-cve-2019-16891-fromExploit, Third Party Advisory
- https://sec.vnpt.vn/2019/09/liferay-deserialization-json-deserialization-part-4/Exploit, Third Party Advisory
- https://www.liferay.com/downloads-communityProduct, Release Notes
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-16891?
Liferay Portal CE 6.2.5 allows remote command execution because of deserialization of a JSON payload.
How severe is CVE-2019-16891?
CVE-2019-16891 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 45.65% probability of exploitation in the next 30 days.
How do I fix CVE-2019-16891?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2019-16891?
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