What is CVE-2020-25754?

CVE-2020-25754 is a high-severity vulnerability in Enphase Envoy, classified under Use of Password Hash With Insufficient Computational Effort. CVSS score: 7.5/10. Published 2021-06-16.

How severe is CVE-2020-25754?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Enphase Envoy

CVE-2020-25754

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.

EPSS: 0.013 (68.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Enphase Envoy
Enphase Envoy_firmware — versions d4.0, r3.0
N/a — versions n/a

Weakness classification (CWE)

CWE-916 — Use of Password Hash With Insufficient Computational Effort

References

cve@mitre.org (Product, x_refsource_MISC, Vendor Advisory)
cve@mitre.org (Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-25754?: CVE-2020-25754 is a high-severity vulnerability in Enphase Envoy, classified under Use of Password Hash With Insufficient Computational Effort. CVSS score: 7.5/10. Published 2021-06-16.
How severe is CVE-2020-25754?: High severity. CVSS v3 base score is 7.5 out of 10.