What is the severity of CVE-2020-25754?

CVE-2020-25754 is considered a high severity vulnerability due to its potential to circumvent traditional authentication methods.

How do I fix CVE-2020-25754?

To remediate CVE-2020-25754, update your Enphase Envoy devices to the latest firmware version that addresses this vulnerability.

What devices are affected by CVE-2020-25754?

CVE-2020-25754 affects Enphase Envoy R3.x and D4.x devices using a custom PAM module for authentication.

What type of authentication issue is present in CVE-2020-25754?

CVE-2020-25754 involves a custom PAM module that allows authentication to be bypassed through a weak password derived from the MD5 hash of the username and serial number.

Can the serial number be exploited in CVE-2020-25754?

Yes, in CVE-2020-25754, the serial number can be retrieved and used to derive the password, posing a significant security risk.

Vulnerability/
CVE-2020-25754

high

7.5

CWE

916

16/6/2021

4/8/2024

CVE-2020-25754

First published: Wed Jun 16 2021(Updated: )

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.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Enphase Envoy	=d4.0
Enphase Envoy	=r3.0
Enphase Envoy Firmware

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Frequently Asked Questions

What is the severity of CVE-2020-25754?
CVE-2020-25754 is considered a high severity vulnerability due to its potential to circumvent traditional authentication methods.
How do I fix CVE-2020-25754?
To remediate CVE-2020-25754, update your Enphase Envoy devices to the latest firmware version that addresses this vulnerability.
What devices are affected by CVE-2020-25754?
CVE-2020-25754 affects Enphase Envoy R3.x and D4.x devices using a custom PAM module for authentication.
What type of authentication issue is present in CVE-2020-25754?
CVE-2020-25754 involves a custom PAM module that allows authentication to be bypassed through a weak password derived from the MD5 hash of the username and serial number.
Can the serial number be exploited in CVE-2020-25754?
Yes, in CVE-2020-25754, the serial number can be retrieved and used to derive the password, posing a significant security risk.

agent/type
agent/softwarecombine
collector/mitre-cve
source/MITRE
agent/severity
agent/weakness
agent/author
agent/last-modified-date
agent/references
agent/description
agent/first-publish-date
agent/event
agent/source
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/enphase
canonical/enphase envoy
version/enphase envoy/d4.0
version/enphase envoy/r3.0
canonical/enphase envoy firmware

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