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CVE-2021-34596

🗓️ 26 Oct 2021 10:15:08Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 18 Views

Crafted request may read an uninitialized pointer in Codesys runtime toolkit and PLCWinNT before 2.4.7.56, causing denial of service.

Related
Refs
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Family
attackerkb
attackerkb
CVE-2021-34596
25 Oct 202114:00
–attackerkb
circl
Circl
CVE-2021-34596
26 Oct 202114:14
–circl
cnnvd
CNNVD
CODESYS 缓冲区错误漏洞
26 Oct 202100:00
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cve
CVE
CVE-2021-34596
26 Oct 202109:55
–cve
cvelist
Cvelist
CVE-2021-34596 CODESYS V2 runtime: Access of Uninitialized Pointer may result in denial-of-service
26 Oct 202109:55
–cvelist
euvd
EUVD
EUVD-2021-21246
7 Oct 202500:30
–euvd
nvd
NVD
CVE-2021-34596
26 Oct 202110:15
–nvd
prion
Prion
Race condition
26 Oct 202110:15
–prion
ptsecurity
Positive Technologies
PT-2021-20571 · 3S Smart Software Solutions · Codesys V2 Runtime Toolkit +1
26 Oct 202100:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2021-34596: Access of Uninitialized Pointer
26 Oct 202100:00
–rapid7
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04 May 2026 08:35Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.16.5
EPSS0.00855
18