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CVE-2021-34566: Buffer Copy without Checking Size of Input

🗓️ 09 Nov 2022 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com

Unauthenticated remote attacker can crash iocheck process and write memory in WAGO I/O-Check Service.

Related
Refs
ReporterTitlePublishedViews
Family
cnnvd
CNNVD
WAGO 安全漏洞
9 Nov 202200:00
–cnnvd
cve
CVE
CVE-2021-34566
9 Nov 202215:17
–cve
cvelist
Cvelist
CVE-2021-34566 WAGO I/O-Check Service prone to Memory Overflow
9 Nov 202215:17
–cvelist
euvd
EUVD
EUVD-2021-21216
7 Oct 202500:30
–euvd
nvd
NVD
CVE-2021-34566
9 Nov 202216:15
–nvd
osv
OSV
CVE-2021-34566
9 Nov 202216:15
–osv
prion
Prion
Design/Logic Flaw
9 Nov 202216:15
–prion
ptsecurity
Positive Technologies
PT-2022-10353 · Wago · Wago I/O-Check Service
9 Nov 202200:00
–ptsecurity
nessus
Tenable Nessus
Wago I/O-Check Service Buffer Overflow (CVE-2021-34566)
14 Feb 202300:00
–nessus
thn
The Hacker News
Several New Critical Flaws Affect CODESYS Industrial Automation Software
21 Jul 202109:59
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01 May 2025 00:00Current
CVSS 3.19.1
EPSS0.01105
SSVC
0