Medium severity5.5NVD Advisory· Published May 15, 2020· Updated Jun 17, 2026

CVE-2020-12872

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.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Yaws/Yaws
cpe:2.3:a:yaws:yaws:*:*:*:*:*:*:*:*
Range: >=2.0.2,<=2.0.6
Yaws/Yawsdescription
Erlyaws/yawsllm-create
Range: <=2.0.7

Patches

Vulnerability mechanics

References

github.com/erlyaws/yaws/blob/c0fd79f17d52628fcec527da7fa3e788c283c445/src/yaws_config.erlnvdExploitThird Party Advisory
github.com/erlyaws/yaws/issues/402nvdIssue TrackingThird Party Advisory
github.com/erlyaws/yaws/releasesnvdRelease NotesThird Party Advisory
sweet32.infonvdThird Party Advisory
medium.com/%40charlielabs101/cve-2020-12872-df315411aa70nvd

News mentions

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cvss	0.358
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000