Codesys Visualization vulnerabilities

2 CVEs affecting Codesys Visualization, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-0393, published 2026-05-21.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2022-1989, published 2022-08-23. Medium severity, CVSS 5.3. EPSS: 0.9% chance of exploitation in the next 30 days. 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.
• CVE-2026-0393, published 2026-05-21. Medium severity, CVSS 6.5. EPSS: 0.2% chance of exploitation in the next 30 days. The affected product may expose credentials remotely between low privileged visualization users during concurrent login operations due to insufficient isolation of authentication data. The…