Description
An issue was discovered on Enphase Envoy R3.x and D4.x devices. There is a custom PAM module for user authentication that circumvents traditional user authentication. This module uses a password derived from the MD5 hash of the username and serial number. The serial number can be retrieved by an unauthenticated user at /info.xml. Attempts to change the user password via passwd or other tools have no effect.
Published: 2021-06-16
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2020-18405 An issue was discovered on Enphase Envoy R3.x and D4.x devices. There is a custom PAM module for user authentication that circumvents traditional user authentication. This module uses a password derived from the MD5 hash of the username and serial number. The serial number can be retrieved by an unauthenticated user at /info.xml. Attempts to change the user password via passwd or other tools have no effect.
History

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Subscriptions

Enphase Envoy Envoy Firmware
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-04T15:40:36.984Z

Reserved: 2020-09-18T00:00:00.000Z

Link: CVE-2020-25754

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-06-16T19:15:27.597

Modified: 2024-11-21T05:18:40.303

Link: CVE-2020-25754

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses