Home/CVE/Liferay Portal CE 6.2.5 allows remote command execution because of deserialization of a JSON payload.
CVE

CVE-2019-16891

Liferay Portal CE 6.2.5 allows remote command execution because of deserialization of a JSON payload.

Liferay Portal CE 6.2.5 allows remote command execution because of deserialization of a JSON payload.

CRITICAL · CVSS 9.8 EPSS 0.79558
Act now
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 1% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-502Deserialization of Untrusted Data
▤

Affected Products & Versions

2
liferay portal<= 6.0.6
liferay portalall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Maven com.liferay.portal:release.portal.bom CRITICAL fixed in 7.1.1
⚠

Public Exploits & PoCs

3
pocdappsec.substack.com · an-advisory-for-cve-2019-16891-fromdappsec.substack.com
pocsec.vnpt.vn · liferay-deserialization-json-deserialization-part-4sec.vnpt.vn
pocwww.youtube.com · watch?v=DjMEfQW3bf0www.youtube.com
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD04 Oct 2019 · 02:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.liferay.com/downloads-communityProductRelease Notes
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