Deserialization in Liferay Digital Experience Platform

CVE-2020-15842

Liferay Portal before 7.3.0, and Liferay DXP 7.0 before fix pack 90, 7.1 before fix pack 17, and 7.2 before fix pack 5, allows man-in-the-middle attackers to execute arbitrary code via crafted serialized payloads, because of insecure deserialization.

Vulnerability class: Insecure Deserialization

EPSS: 0.018 (75.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-15842?
CVE-2020-15842 is a high-severity vulnerability in Liferay Digital Experience Platform, classified under Deserialization of Untrusted Data. CVSS score: 8.1/10. Published 2020-07-20.
How severe is CVE-2020-15842?
High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2020-15842 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.