CVE-2020-12872

Public Exploit

Description

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.12%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory sweet32.info
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://sweet32.info/ third party advisory
https://github.com/erlyaws/yaws/blob/c0fd79f17d52628fcec527da7fa3e788c283c445/src/yaws_config.erl#L2068-L2075 third party advisory exploit
https://github.com/erlyaws/yaws/releases third party advisory release notes
https://medium.com/%40charlielabs101/cve-2020-12872-df315411aa70
https://github.com/erlyaws/yaws/issues/402 issue tracking third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-12872?
CVE-2020-12872 has been scored as a medium severity vulnerability.
How to fix CVE-2020-12872?
To fix CVE-2020-12872, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-12872 being actively exploited in the wild?
It is possible that CVE-2020-12872 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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