CVE-2025-54764

Published Oct 20, 2025 CVSS 3.1 · 6.2 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Arm
Arm mbed Tls
CPEs cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*
Vendors & Products Arm
Arm mbed Tls
Type Values Removed Values Added
First Time appeared Mbed
Mbed mbed
Mbed-tls
Mbed-tls mbedtls
Vendors & Products Mbed
Mbed mbed
Mbed-tls
Mbed-tls mbedtls
Type Values Removed Values Added
Weaknesses CWE-208
Metrics cvssV3_1

{'score': 6.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Oct 21, 2025, 1:55 PM
Reserved
Jul 28, 2025, 12:00 AM
Status
Analyzed
Published
Oct 20, 2025, 10:15 PM
Modified
Nov 5, 2026, 10:10 PM