An issue was discovered in Mbed TLS 3.5.x before 3.6.0. When an SSL context was reset with the mbedtls_ssl_session_reset() API, the maximum TLS version to be negotiated was not restored to the configured one. An attacker was able to prevent an Mbed TLS server from establishing any TLS 1.3 connection, potentially resulting in a Denial of Service or forced version downgrade from TLS 1.3 to TLS 1.2.
Metrics
Affected Vendors & Products
References
History
Tue, 10 Jun 2025 01:00:00 +0000
Type | Values Removed | Values Added |
---|---|---|
First Time appeared |
Arm
Arm mbed Tls |
|
CPEs | cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:* | |
Vendors & Products |
Arm
Arm mbed Tls |
Fri, 06 Sep 2024 21:00:00 +0000
Type | Values Removed | Values Added |
---|---|---|
Weaknesses | CWE-326 | |
Metrics |
cvssV3_1
|

Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-09-06T19:25:20.346Z
Reserved: 2024-03-10T00:00:00
Link: CVE-2024-28755

Updated: 2024-08-02T00:56:58.123Z

Status : Analyzed
Published: 2024-04-03T03:15:10.140
Modified: 2025-06-10T00:41:15.783
Link: CVE-2024-28755

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