CVE-2019-16891
CRITICAL
9.8
CVSS Score
Published: October 4, 2019 at 12:00 AM UTC
Updated: June 17, 2026 at 02:22 AM UTC
1 product affected across 1 vendorLiferay Portal
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Severity
CRITICAL9.8
Exploit prediction
EPSS 45%
Description
Liferay Portal CE 6.2.5 allows remote command execution because of deserialization of a JSON payload.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v ≤ 6.0.66.1.0 b16.1.0 b26.1.0 b36.1.0 b46.1.0 ga16.1.0 rc16.1.1 ga26.1.2 ga36.2.0 b16.2.0 b26.2.0 ga16.2.0 m16.2.0 m26.2.0 m36.2.0 m46.2.0 m56.2.0 m66.2.0 rc16.2.0 rc26.2.0 rc36.2.0 rc46.2.0 rc56.2.0 rc66.2.1 ga26.2.2 ga36.2.3 ga46.2.4 ga56.2.5 ga67.0.0 a17.0.0 a27.0.0 a37.0.0 a47.0.0 a57.0.0 b17.0.0 b27.0.0 b37.0.0 b47.0.0 b57.0.0 b67.0.0 b77.0.0 ga17.0.0 m17.0.0 m27.0.0 m37.0.0 m47.0.0 m57.0.0 m67.0.0 m77.0.1 ga27.0.2 ga37.0.3 ga47.0.4 ga57.0.5 ga67.0.6 ga77.1.0 a17.1.0 a27.1.0 b17.1.0 b27.1.0 b37.1.0 ga17.1.0 m17.1.0 m27.1.0 rc17.1.1 ga27.1.2 ga37.1.3 ga47.2.0 alpha17.2.0 beta17.2.0 beta27.2.0 beta37.2.0 m27.2.0 rc17.2.0 rc27.2.0 rc3
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (4)
ExploitThird Party Advisory
Source: [email protected]
https://dappsec.substack.com/p/an-advisory-for-cve-2019-16891-fromExploitThird Party Advisory
Source: [email protected]
https://sec.vnpt.vn/2019/09/liferay-deserialization-json-deserialization-part-4/CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-502
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