5
CVSSv2

CVE-2020-36478

Published: 23/08/2021 Updated: 11/01/2023
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 445
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N

Vulnerability Summary

An issue exists in Mbed TLS prior to 2.25.0 (and prior to 2.16.9 LTS and prior to 2.7.18 LTS). A NULL algorithm parameters entry looks identical to an array of REAL (size zero) and thus the certificate is considered valid. However, if the parameters do not match in any way, then the certificate should be considered invalid.

Vulnerability Trend

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arm mbed tls

siemens logo\\!_cmr2020_firmware

siemens logo\\!_cmr2040_firmware

siemens simatic_rtu3031c_firmware

siemens simatic_rtu3041c_firmware

siemens simatic_rtu3030c_firmware

siemens simatic_rtu3000c_firmware

debian debian linux 9.0

debian debian linux 10.0