CVE-2025-27809 describes a vulnerability in Mbed TLS client-side implementations (versions before 2.28.10 and 3.x before 3.6.3) where servers with trusted certificates can be accepted for arbitrary hostnames if mbedtls_ssl_set_hostname is not explicitly called. This medium-severity vulnerability (CVSS 5.4) has a network attack vector and high attack complexity, potentially leading to limited confidentiality and integrity impacts. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2.28.10CPE matchmatch criteria | cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:* | ||
>= 3.0.0, < 3.6.3CPE matchmatch criteria | cpe:2.3:a:trustedfirmware:mbed_tls:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
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No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.