CVE-2021-21869
First published: Wed Aug 25 2021(Updated: )
An unsafe deserialization vulnerability exists in the Engine.plugin ProfileInformation ProfileData 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.
Credit: talos-cna@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Codesys | =3.5.16.0 | |
| Codesys | =3.5.17.0 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-21869?
CVE-2021-21869 has a critical severity level due to its potential for arbitrary command execution.
How do I fix CVE-2021-21869?
To fix CVE-2021-21869, upgrade CODESYS Development System to version 3.5.18 or later.
What software versions are affected by CVE-2021-21869?
CVE-2021-21869 affects CODESYS Development System versions 3.5.16.0 and 3.5.17.0.
What type of vulnerability is CVE-2021-21869?
CVE-2021-21869 is classified as an unsafe deserialization vulnerability.
What are the consequences of exploiting CVE-2021-21869?
Exploitation of CVE-2021-21869 can lead to arbitrary command execution on the affected system.
- agent/references
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/author
- agent/remedy
- agent/last-modified-date
- agent/severity
- agent/weakness
- agent/description
- agent/first-publish-date
- agent/event
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/codesys
- canonical/codesys development system v3
- version/codesys development system v3/3.5.16.0
- version/codesys development system v3/3.5.17.0