Review reviewHigh

CVE-2022-42123

digital experience platform, liferay portal

A Zip slip vulnerability in the Elasticsearch Connector in Liferay Portal 7.3.3 through 7.4.3.18, and Liferay DXP 7.3 before update 6, and 7.4 before update 19 allows attackers to create or overwrite existing files on the filesystem via the installation of a malicious Elasticsearch Sidecar plugin.

CVSS
7.5
EPSS
0.70%
49.7% percentile
CISA KEV
Not listed
Published
2022.11.15
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.70%
Technical severityCVSS 7.5

Vulnerability overview

A Zip slip vulnerability in the Elasticsearch Connector in Liferay Portal 7.3.3 through 7.4.3.18, and Liferay DXP 7.3 before update 6, and 7.4 before update 19 allows attackers to create or overwrite existing files on the filesystem via the installation of a malicious Elasticsearch Sidecar plugin.

Affected product and versions

Product
digital experience platform, liferay portal
Affected versions
7.3, 7.4, >= 7.3.3 < 7.4.3.19
Fixed versions
7.4.3.19

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that digital experience platform, 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:N/I:H/A:N
CWE
CWE-22