PT-2020-13154
CVE-2020-12521
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تاريخ النشر
2020-12-17
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تاريخ التحديث
2020-12-21
الوصف من
CVSS 3.1
6.5
متوسطةالمقاييسAV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions
Phoenix Contact PLCnext Control Devices versions prior to 2021.0 LTS
Description
A specially crafted LLDP packet may lead to a high system load in the PROFINET stack, causing failure of system services or a complete reboot.
Recommendations
For versions prior to 2021.0 LTS, update to version 2021.0 LTS or later to resolve the issue. As a temporary workaround, consider restricting the reception of LLDP packets to minimize the risk of exploitation.
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