CVE-2019-16891

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

45.65% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 98.7% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2019-10-04 00:00Z6 YR AGO

Last updated

2024-08-05 01:24Z2 YR AGO

Reserved

2019-09-25

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-502Deserialization of Untrusted DataBase

Data version

5.1

Document digest

66f6fab474ab28d71cede63c42ff400f176d5a0b687b31984428963e60ff457c

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