Vulnerability Monitor

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CVE-2025-27809

Mbed TLS before 2.28.10 and 3.x before 3.6.3, on the client side, accepts servers that have trusted certificates for arbitrary hostnames unless the TLS client application calls mbedtls_ssl_set_hostname.

Published

2025-03-25T06:15:41.000

Last Modified

2025-07-17T15:57:21.527

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 5.4 (MEDIUM)

Weaknesses

Type: Secondary
CWE-1188

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	arm	mbed_tls	< 2.28.10	Yes
Application	arm	mbed_tls	< 3.6.3	Yes

References

https://github.com/Mbed-TLS/mbedtls/releases Release Notes ([email protected])
https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2025-03-1/ Third Party Advisory ([email protected])
https://github.com/Mbed-TLS/mbedtls/issues/466 Issue Tracking (af854a3a-2127-422b-91ae-364da2661108)
https://mastodon.social/@bagder/114219540623402700 Not Applicable (af854a3a-2127-422b-91ae-364da2661108)