yaws_config.erl in Yaws through 2.0.2 and/or 2.0.7 loads obsolete TLS ciphers, as demonstrated by ones that allow Sweet32 attacks, if running on an Erlang/OTP virtual machine with a version less than 21.0.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12872
Reference (s):
- https://github.com/erlyaws/yaws/blob/c0fd79f17d52628fcec527da7fa3e788c283c445/src/yaws_config.erl#L2068-L2075
- https://github.com/erlyaws/yaws/issues/402
- https://github.com/erlyaws/yaws/releases
- https://medium.com/@charlielabs101/cve-2020-12872-df315411aa70
- https://sweet32.info/