CVE-2020-12872

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Published May 15, 2020 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

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

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2020-5153	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

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.393% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
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/%40charlielabs101/cve-2020-12872-df315411aa70
https://sweet32.info/

History

No history.

Subscriptions

Yaws Yaws

Weaknesses

CWE-326

Sources

CVE record Updated: Aug 4, 2024, 12:11 PM

Status: PUBLISHED
Assigner: mitre
Published: May 15, 2020, 6:20 PM
Updated: Aug 4, 2024, 12:11 PM
Reserved: May 14, 2020, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 2:52 AM

Status: Modified
Published: May 15, 2020, 7:15 PM
Modified: Jun 17, 2026, 2:52 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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