CVE-2025-54764

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

6.2 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.5 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2025-10-ssbleed-mstep/ Exploit Vendor Advisory
https://mbed-tls.readthedocs.io/en/latest/tech-updates/security-advisories/ Vendor Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*
History

31 Oct 2025, 15:09

Type Values Removed Values Added
First Time Arm mbed Tls
Arm
References () https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2025-10-ssbleed-mstep/ - () https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2025-10-ssbleed-mstep/ - Exploit, Vendor Advisory
References () https://mbed-tls.readthedocs.io/en/latest/tech-updates/security-advisories/ - () https://mbed-tls.readthedocs.io/en/latest/tech-updates/security-advisories/ - Vendor Advisory
CPE cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*

21 Oct 2025, 14:15

Type Values Removed Values Added
CWE CWE-208
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 6.2

20 Oct 2025, 22:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-10-20 22:15

Updated : 2025-10-31 15:09

NVD link : CVE-2025-54764

Mitre link : CVE-2025-54764

CVE.ORG link : CVE-2025-54764

JSON object : View

Products Affected

arm

  • mbed_tls
CWE
CWE-208

Observable Timing Discrepancy