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VULNERABILITIES

CVE-2020-12872 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.5 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/erlyaws/yaws/blob/c0fd79f17d52628fcec527da7fa3e788c283c445/src/yaws_config.erl#L2068-L2075 CVEExploitThird Party Advisory
https://github.com/erlyaws/yaws/issues/402 CVEIssue TrackingThird Party Advisory
https://github.com/erlyaws/yaws/releases CVERelease NotesThird Party Advisory
https://medium.com/%40charlielabs101/cve-2020-12872-df315411aa70 CVE
https://sweet32.info/ CVEThird Party Advisory

see all 10 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-326Inadequate Encryption Strength[email protected]

Affected Products

ProductVersions
yaws yaws
>= 2.0.2, <= 2.0.6

CPE

  • cpe:2.3:a:yaws:yaws:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

7 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2020-12872
NVD Published Date:
May 15, 2020
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2020-12872 Details - Not Deferred