CVE-2021-21863

Sep 3, 2024

Published Date: 2021-08-05T20:15Z

Last Modified: 2022-09-30T03:09Z

CVSS Score: 7.8 (HIGH)

EPSS Score: 0.09%

Risk Score: 5.46 (HIGH)

Risk Score based on CVSS score and EPSS. This score is for reference purposes and is not internationally recognized.

CVSS: 7.8 | EPSS: 0.09%

NVD Links:

https://nvd.nist.gov/vuln/detail/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.

Mitre ATT&CK Technical v15.1

T1204.002 – Malicious File
T1053.002 – At

Technical Analysis & Mitigation Measures

Reference Links

https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16805&token=ee583c498941d9fda86490bca98ff21928eec08a&download=

Vendor - Produce - Version

development_system - codesys, development_system - codesys

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