CVE-2025-54764

MEDIUM EPSS 10.2%
Published Oct 20, 20258mo ago · Modified Jun 17, 20261w ago
6.2 CVSS 3.1
Medium
Find Similar
Published Oct 20, 2025 8mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
6.2
Exploitability
2.5
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability None

Threat Intelligence

EPSS Exploit Probability
10.2% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-208

Affected Products 1

VendorProductVersionRange
armmbed_tls* <3.6.5

References 2

  • mbed-tls.readthedocs.io https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2025-10-ssbleed-mstep/
    ExploitVendor Advisory
  • mbed-tls.readthedocs.io https://mbed-tls.readthedocs.io/en/latest/tech-updates/security-advisories/
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.