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7.8
CVSSv2

CVE-2021-34570

Published: 27/09/2021 Updated: 28/07/2022
CVSS v2 Base Score: 7.8 | Impact Score: 6.9 | Exploitability Score: 10
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 694
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C
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Vulnerability Summary

Multiple Phoenix Contact PLCnext control devices in versions before 2021.0.5 LTS are prone to a DoS attack through special crafted JSON requests.

Vulnerability Trend

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phoenixcontact plcnext_technology_starterkit_firmware

phoenixcontact axc_f_2152_starterkit_firmware

phoenixcontact rfc_4072s_firmware

phoenixcontact axc_f_3152_firmware

phoenixcontact axc_f_1152_firmware

phoenixcontact axc_f_2152_firmware

References

CWE-20https://cert.vde.com/en/advisories/VDE-2021-029/https://nvd.nist.gov
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2020-4463CVE-2024-3400deserializationCVE-2024-21788CVE-2023-42433CVE-2024-21841CVE-2024-22095local file inclusionmemory leak
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