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CVE-2021-21863

🗓️ 22 May 2025 18:19:12Reported by redhat.comType 
redhatcve
 redhatcve
🔗 access.redhat.com👁 22 Views

Unsafe deserialization in CODESYS can allow arbitrary command execution via crafted files.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2021-21863
5 Aug 202120:15
–attackerkb
bdu_fstec
BDU FSTEC
CODESYS Development System Profile ComponentModel Command Execution
24 May 202300:00
–bdu_fstec
circl
Circl
CVE-2021-21863
17 Mar 202612:00
–circl
cnnvd
CNNVD
3s-smart Software Solutions CODESYS Development System 代码问题漏洞
26 Jul 202100:00
–cnnvd
cve
CVE
CVE-2021-21863
5 Aug 202120:00
–cve
cvelist
Cvelist
CVE-2021-21863
5 Aug 202120:00
–cvelist
euvd
EUVD
EUVD-2021-9034
3 Oct 202520:07
–euvd
nvd
NVD
CVE-2021-21863
5 Aug 202120:15
–nvd
osv_cve
osv_cve
CVE-2021-21863
5 Aug 202120:15
–osv_cve
prion
Prion
Deserialization of untrusted data
5 Aug 202120:15
–prion
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Data

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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
EPSS0.01215
22