CVSS 3.1 Score 7.5 of 10 (high)


Published Mar 15, 2024
Updated: Mar 17, 2024
CWE ID 400


CVE-2024-28854, also known as the tls-listener vulnerability, affects versions prior to 0.10.0 of the rust lang wrapper around a connection listener called tls-listener. The default configuration of tls-listener allows a malicious user to open 6.4 TcpStreams per second with 0 bytes sent, leading to a Denial of Service (DoS) attack. This vulnerability poses a potential danger to any publicly accessible service utilizing TlsListener::new(). Users are advised to upgrade their versions or, if unable to do so, mitigate the vulnerability by passing a large value like usize::MAX as the parameter to Builder::max_handshakes. The severity of this vulnerability is rated as HIGH with an exploitability score of 3.9 out of 10 and an impact score of 3.6 out of 10 according to the CVSS:3.1 rating system.

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