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Vulnerability IntelligenceCVE-2025-54764

CVE-2025-54764

MEDIUM6.2

Mbed TLS before 3

Published Oct 20, 2025

Modified 6 months ago

Details

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

https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2025-10-ssbleed-mstep/

https://mbed-tls.readthedocs.io/en/latest/tech-updates/security-advisories/

https://www.cve.org/CVERecord?id=CVE-2025-54764

CVSS Analysis

CVSS v3.1

6.2

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

NoneI:N

Availability

NoneA:N

6.2/CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Ecosystems

Timeline

PublishedOct 20, 2025

ModifiedOct 21, 2025

CVE-2025-54764 | Mondoo Vulnerability Intelligence