CVE-2020-25754 describes a critical authentication bypass vulnerability in Enphase Envoy R3.x and D4.x devices. A custom PAM module uses a password derived from the MD5 hash of the username and an unauthenticated serial number, allowing attackers to bypass traditional authentication mechanisms. This vulnerability carries a CVSS score of 7.5 (HIGH), indicating a network-exploitable flaw with low attack complexity and high confidentiality impact. While no active exploitation, public exploit code, or significant community discussion has been observed, the ease of obtaining the necessary serial number poses a significant risk.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
d4.0CPE matchmatch criteria | cpe:2.3:o:enphase:envoy_firmware:d4.0:*:*:*:*:*:*:* | ||
r3.0CPE matchmatch criteria | cpe:2.3:o:enphase:envoy_firmware:r3.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.