CVE-2025-49600 describes a signature forgery vulnerability in MbedTLS versions 3.3.0 before 3.6.4, specifically impacting the mbedtls_lms_verify function. An attacker with physical access to induce a hardware hash accelerator fault could bypass LMS signature verification, leading to the acceptance of invalid signatures. This vulnerability has a CVSS score of 4.9 (Medium) due to its physical attack vector and high attack complexity, but it could result in a complete compromise of integrity. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 3.3.0, < 3.6.4CPE matchmatch criteria | cpe:2.3:a:trustedfirmware:mbed_tls:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.