What’s Vulnerable › Vulnerabilities

CVE-2019-16891

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 44.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-10-04 · updated 2026-06-17
• Weakness: CWE-502

Description

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

Affected products

• Liferay Portal: through 6.0.6; 6.1.0-b1, 6.1.0-b2, 6.1.0-b3, 6.1.0-b4, 6.1.0-ga1, 6.1.0-rc1 (+68)

References

• https://dappsec.substack.com/p/an-advisory-for-cve-2019-16891-from
• https://sec.vnpt.vn/2019/09/liferay-deserialization-json-deserialization-part-4/
• https://www.liferay.com/downloads-community
• https://www.youtube.com/watch?v=DjMEfQW3bf0
• https://dappsec.substack.com/p/an-advisory-for-cve-2019-16891-from
• https://sec.vnpt.vn/2019/09/liferay-deserialization-json-deserialization-part-4/
• https://www.liferay.com/downloads-community
• https://www.youtube.com/watch?v=DjMEfQW3bf0

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