What is CVE-2022-28981?

CVE-2022-28981 is a high-severity vulnerability in Liferay Portal, classified under Path Traversal. CVSS score: 7.5/10. Published 2022-09-22.

How severe is CVE-2022-28981?

High severity. CVSS v3 base score is 7.5 out of 10.

Path Traversal in Liferay Portal

CVE-2022-28981

Path traversal vulnerability in the Hypermedia REST APIs module in Liferay Portal 7.4.0 through 7.4.2 allows remote attackers to access files outside of com.liferay.headless.discovery.web/META-INF/resources via the `parameter` parameter.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2022-09-22 · last modified 2026-07-09.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.013 (68.4th percentile), scored 2026-10-05.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.013 · change: +0.001

Affected products

Liferay Portal

Weakness classification (CWE)

CWE-22 — Path Traversal

References

af854a3a-2127-422b-91ae-364da2661108 (Product)
portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5m… (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2022-28981?: CVE-2022-28981 is a high-severity vulnerability in Liferay Portal, classified under Path Traversal. CVSS score: 7.5/10. Published 2022-09-22.
How severe is CVE-2022-28981?: High severity. CVSS v3 base score is 7.5 out of 10.