VULNERABILITY INTELLIGENCE

CVE-2022-46392

CVSS score5.3 MEDIUM
EPSS probability0.85%
CISA KEVNot currently listed
Published2022-12-15
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

Description

An issue was discovered in Mbed TLS before 2.28.2 and 3.x before 3.3.0. An adversary with access to precise enough information about memory accesses (typically, an untrusted operating system attacking a secure enclave) can recover an RSA private key after observing the victim performing a single private-key operation, if the window size (MBEDTLS_MPI_WINDOW_SIZE) used for the exponentiation is 3 or smaller.

Weakness classification

  • nvd@nist.gov: CWE-203
  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-203

Primary references