CVE-2021-34584
high-risk
Published 2021-10-26
Crafted web server requests can be utilised to read partial stack or heap memory or may trigger a denial-of- service condition due to a crash in the CODESYS V2 web server prior to V1.1.9.22.
Do I need to act?
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0.61% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.1/10
Critical
NETWORK
/ LOW complexity
Affected Products (20)
References (4)
55
/ 100
high-risk
Severity
31/34 · Critical
Exploitability
2/34 · Minimal
Exposure
22/34 · High