cvedb.io
CVE-2020-20949
MEDIUM · CVSS 5.9
EPSS exploitation probability: 0%
Published 2021-01-20T16:15:14.007 · Last modified 2026-07-09T00:16:53.230

Summary

Bleichenbacher's attack on PKCS #1 v1.5 padding for RSA in STM32 cryptographic firmware library software expansion for STM32Cube (UM1924). The vulnerability can allow one to use Bleichenbacher's oracle attack to decrypt an encrypted ciphertext by making successive queries to the server using the vulnerable library, resulting in remote information disclosure.

Affected products

st — stm32cubef0

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.