Description
An encryption-bypass issue was discovered on Espressif ESP-IDF devices through 4.2, ESP8266_NONOS_SDK devices through 3.0.3, and ESP8266_RTOS_SDK devices through 3.3. Broadcasting forged beacon frames forces a device to change its authentication mode to OPEN, effectively disabling its 802.11 encryption.
Published: 2020-07-23
Score: 6.8 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2020-4939 An encryption-bypass issue was discovered on Espressif ESP-IDF devices through 4.2, ESP8266_NONOS_SDK devices through 3.0.3, and ESP8266_RTOS_SDK devices through 3.3. Broadcasting forged beacon frames forces a device to change its authentication mode to OPEN, effectively disabling its 802.11 encryption.
History

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Subscriptions

Espressif Esp-idf Esp8266 Nonos Sdk Esp8266 Rtos Sdk
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-04T12:04:22.314Z

Reserved: 2020-05-04T00:00:00.000Z

Link: CVE-2020-12638

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-07-23T16:15:12.490

Modified: 2024-11-21T04:59:57.530

Link: CVE-2020-12638

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses