PT-2020-14665 · Liferay · Liferay Portal+1

Published 2020-07-20 · Updated 2025-05-13 · CVE-2020-15842

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Liferay Portal versions prior to 7.3.0 Liferay DXP 7.0 versions prior to fix pack 90 Liferay DXP 7.1 versions prior to fix pack 17 Liferay DXP 7.2 versions prior to fix pack 5

Description The issue allows man-in-the-middle attackers to execute arbitrary code via crafted serialized payloads, because of insecure deserialization.

Recommendations For Liferay Portal versions prior to 7.3.0, update to version 7.3.0 or later. For Liferay DXP 7.0 versions prior to fix pack 90, apply fix pack 90 or later. For Liferay DXP 7.1 versions prior to fix pack 17, apply fix pack 17 or later. For Liferay DXP 7.2 versions prior to fix pack 5, apply fix pack 5 or later.

Fix

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

CVE-2020-15842

GHSA-MG3R-9JH8-33R9

Affected Products

Liferay Dxp

Liferay Portal

References · 7

• https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/119317427 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-15842 · Vendor Advisory
• https://issues.liferay.com/browse/LPE-16963 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-mg3r-9jh8-33r9 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-15842 · Security Note
• https://github.com/liferay/liferay-portal · Note
• https://t.me/cvenotify/122013 · Telegram Post