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CVE-2021-34570highCWE-20

Phoenix Contact: DoS for PLCnext Control devices in versions prior to 2021.0.5 LTS

21Vexday Risk Score

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

ssvc Trackcvss 7.5epss 1.0%
exploitation probability
1.0%top 41% of all CVEs
observed exploitation
nono source reports it
Multiple Phoenix Contact PLCnext control devices in versions prior to 2021.0.5 LTS are prone to a DoS attack through special crafted JSON requests.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H