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High severity7.8NVD Advisory· Published Aug 5, 2021· Updated Jun 17, 2026

CVE-2021-21863

CVE-2021-21863

Description

A unsafe deserialization vulnerability exists in the ComponentModel Profile.FromFile() functionality of CODESYS GmbH CODESYS Development System 3.5.16 and 3.5.17. A specially crafted file can lead to arbitrary command execution. An attacker can provide a malicious file to trigger this vulnerability.

Affected products

4
  • Codesys/Development System3 versions
    cpe:2.3:a:codesys:development_system:3.5.16.0:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:codesys:development_system:3.5.16.0:*:*:*:*:*:*:*
    • cpe:2.3:a:codesys:development_system:3.5.17.0:*:*:*:*:*:*:*
    • (no CPE)range: 3.5.16, 3.5.17
  • CODESYS GmbH/CODESYS Development Systemdescription

Patches

Vulnerability mechanics

References

1

News mentions

0

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