What is CVE-2022-1989?

CVE-2022-1989 is a medium-severity vulnerability in Codesys Visualization, classified under Observable Response Discrepancy. CVSS score: 5.3/10. Published 2022-08-23.

How severe is CVE-2022-1989?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Codesys Visualization

CVE-2022-1989

All CODESYS Visualization versions before V4.2.0.0 generate a login dialog vulnerable to information exposure allowing a remote, unauthenticated attacker to enumerate valid users.

Published 2022-08-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.008 (56.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 56.4% 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

Codesys Visualization — versions V3
Codesys Visualization

Weakness classification (CWE)

References

customers.codesys.com/index.php (Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2022-1989?: CVE-2022-1989 is a medium-severity vulnerability in Codesys Visualization, classified under Observable Response Discrepancy. CVSS score: 5.3/10. Published 2022-08-23.
How severe is CVE-2022-1989?: Medium severity. CVSS v3 base score is 5.3 out of 10.