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.
{
"cna_assigner": "mitre",
"cwe_ids": [
"CWE-1188"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/27xxx/CVE-2025-27809.json"
}{
"extracted_events": [
{
"cpe": "cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "2.28.10"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:trustedfirmware:mbed_tls:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.0.0"
},
{
"fixed": "3.6.3"
}
],
"source": "CPE_RANGE"
}
]
}