CVE-2025-54764

Mbed TLS before 3.6.5 allows a local timing attack against certain RSA operations, and direct calls to mbedtls_mpi_mod_inv or mbedtls_mpi_gcd

Medium · published October 20, 2025

CVSS v3.1
6.2
EPSS
0%
Percentile
12.0
In the wild
Unconfirmed
What it is

Mbed TLS before 3.6.5 allows a local timing attack against certain RSA operations, and direct calls to mbedtls_mpi_mod_inv or mbedtls_mpi_gcd.

The record
Technical detail
CVSS v3.1
6.2 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00221 · 12.0th percentile
Published
2025-10-20T00:00Z
EPSS history
Timeline
  • 20 OCT 00:00Z
    Mbed TLS before 3.6.5 allows a local timing attack against certain RSA operations, and direct calls to mbedtls_mpi_mod_inv or mbedtls_mpi_gcd
    cvelistv5