Review reviewHigh

CVE-2022-28981

liferay portal

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.

CVSS
7.5
EPSS
1.08%
61.8% percentile
CISA KEV
Not listed
Published
2022.09.22
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability1.08%
Technical severityCVSS 7.5

Vulnerability overview

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.

Affected product and versions

Product
liferay portal
Affected versions
>= 7.4.0 <= 7.4.2
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that liferay portal and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE
CWE-22