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CVE search · CVE-2020-20949

CVE-2020-20949

medium 5.9

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.

Open in the NVD CVE.org JSON

Details

Status
Modified
Published
Last changed
Source
cve@mitre.org
Weakness
CWE-327

Severity

VersionScoreVectorSource
CVSS 3.1 medium 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N nvd@nist.govPrimary
CVSS 2.0 medium 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N nvd@nist.govPrimary

Affected products

Vendor and product from the NVD’s CPE applicability statements. Versions and conditions are on the NVD’s page.

  • st · stm32cubef0
  • st · stm32cubef1
  • st · stm32cubef2
  • st · stm32cubef3
  • st · stm32cubef4
  • st · stm32cubef7
  • st · stm32cubeg0
  • st · stm32cubeg4
  • st · stm32cubeh7
  • st · stm32cubeide
  • st · stm32cubel0
  • st · stm32cubel1
  • st · stm32cubel4
  • st · stm32cubel4+
  • st · stm32cubel5
  • st · stm32cubemonitor
  • st · stm32cubemp1
  • st · stm32cubemx
  • st · stm32cubeprogrammer
  • st · stm32cubewb
  • st · stm32cubewl
  • ietf · public_key_cryptography_standards_#1

References