Main Vulnerability Database Vulnerabilities #VU112447

Unchecked Return Value in mbed TLS - CVE-2025-49600

Published: July 7, 2025

Vulnerability identifier: #VU112447

CSH Severity: Medium

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2025-49600

CWE-ID: CWE-252

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: ARM

Affected software:
mbed TLS

Detailed vulnerability description

The vulnerability allows a remote attacker to bypass signature verification.

The vulnerability exists due to unchecked return value in mbedtls_lms_verify(). A remote attacker can bypass LMS signature verification process.

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