Deserialization in Liferay Portal
CVE-2019-16891
Liferay Portal CE 6.2.5 allows remote command execution because of deserialization of a JSON payload.
Vulnerability class: Insecure Deserialization
EPSS: 0.457 (98.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Liferay Liferay_portal — versions 6.1.0, 6.1.1, 6.1.2
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
- d4ngkh04w/CVE-2019-16891
- rai0ffs3c/CVE-2019-16891-Liferay-deserialization-RCE
- AdeliaNitzsche/Java-Deserialization-Cheat-Sheet
- BrittanyKuhn/javascript-tutorial
- GrrrDog/Java-Deserialization-Cheat-Sheet
- HPT-Intern-Task-Submission/Liferay-JSON-Deserialization
- JoshMorrison99/my-nuceli-templates
- PalindromeLabs/Java-Deserialization-CVEs
- Y4tacker/JavaSec
- hrxknight/CVE-2019-16891-Liferay-deserialization-RCE
References
- cve@mitre.org (Product, Release Notes)
- cve@mitre.org (Exploit)
- cve@mitre.org (Exploit, Third Party Advisory)
- cve@mitre.org (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-16891?
- CVE-2019-16891 is a critical-severity vulnerability in Liferay Portal, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2019-10-04.
- How severe is CVE-2019-16891?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2019-16891 known to be exploited?
- 13 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.