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CVE-2021-21865

🗓️ 22 May 2025 18:57:26Reported by redhat.comType 
redhatcve
 redhatcve
🔗 access.redhat.com👁 3 Views

Unsafe deserialization in CODESYS can lead to arbitrary command execution via malicious file.

Related
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2021-21865
3 Aug 202100:27
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CNNVD
3s-smart Software Solutions CODESYS Development System 代码问题漏洞
26 Jul 202100:00
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CVE
CVE-2021-21865
2 Aug 202120:33
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Cvelist
CVE-2021-21865
2 Aug 202120:33
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EUVD
EUVD-2021-9036
3 Oct 202520:07
euvd
NVD
CVE-2021-21865
2 Aug 202121:15
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OSV
CVE-2021-21865
2 Aug 202121:15
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Prion
Deserialization of untrusted data
2 Aug 202121:15
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Positive Technologies
PT-2021-7767 · 3S Smart Software Solutions · Codesys Development System
2 Aug 202100:00
ptsecurity
Talos
CODESYS Development System PackageManagement.plugin ExtensionMethods.Clone() Unsafe Deserialization vulnerability
26 Jul 202100:00
talos
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27 Mar 2026 14:54Current
7.2High risk
Vulners AI Score7.2
CVSS 26.8
CVSS 3.17.8
CVSS 38.8
EPSS0.00062
3