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CVE-2021-34566criticalCWE-120

WAGO I/O-Check Service prone to Memory Overflow

28Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 9.1epss 1.0%
exploitation probability
1.0%top 39% of all CVEs
observed exploitation
nono source reports it
In WAGO I/O-Check Service in multiple products an unauthenticated remote attacker can send a specially crafted packet containing OS commands to crash the iocheck process and write memory resulting in loss of integrity and DoS.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H