What is CVE-2022-1331?

CVE-2022-1331 is a medium-severity vulnerability in Delta Electronics Dmars, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 5.5/10. Published 2022-05-03.

How severe is CVE-2022-1331?

Medium severity. CVSS v3 base score is 5.5 out of 10.

XXE in Delta Electronics Dmars

CVE-2022-1331

In four instances DMARS (All versions prior to v2.1.10.24) does not properly restrict references of XML external entities while processing specific project files, which may allow unauthorized information disclosure.

Vulnerability class: XXE (XML External Entity)

Published 2022-05-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.008 (55.3th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: +0.000

Affected products

Delta Electronics Dmars — versions All versions
Deltaww Dmars

Weakness classification (CWE)

CWE-611 — Improper Restriction of XML External Entity Reference (XXE)

References

www.cisa.gov/uscert/ics/advisories/icsa-22-104-01 (US Government Resource, Third Party Advisory)

Frequently asked questions

What is CVE-2022-1331?: CVE-2022-1331 is a medium-severity vulnerability in Delta Electronics Dmars, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 5.5/10. Published 2022-05-03.
How severe is CVE-2022-1331?: Medium severity. CVSS v3 base score is 5.5 out of 10.