What is CVE-2020-28884?

CVE-2020-28884 is a high-severity vulnerability in Liferay Portal, classified under OS Command Injection. CVSS score: 7.2/10. Published 2022-01-28.

How severe is CVE-2020-28884?

High severity. CVSS v3 base score is 7.2 out of 10.

Is CVE-2020-28884 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Liferay Portal

CVE-2020-28884

Liferay Portal Server tested on 7.3.5 GA6, 7.2.0 GA1 is affected by OS Command Injection. An administrator user can inject Groovy script to execute any OS command on the Liferay Portal Sever. NOTE: The developer disputes this as a vulnerability since it is a feature for administrators to run groovy scripts and therefore not a design flaw.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.020 (79.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Liferay Liferay_portal — versions 7.2, 7.3.5
N/a — versions n/a

Weakness classification (CWE)

CWE-78 — OS Command Injection

Public proof-of-concept exploits

Live-Hack-CVE/CVE-2020-28884

References

cve@mitre.org
cve@mitre.org (Vendor Advisory)

Frequently asked questions

What is CVE-2020-28884?: CVE-2020-28884 is a high-severity vulnerability in Liferay Portal, classified under OS Command Injection. CVSS score: 7.2/10. Published 2022-01-28.
How severe is CVE-2020-28884?: High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2020-28884 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.