CVE-2020-25754 Weak cryptography in n/a
Attackers can bypass authentication on Enphase Envoy devices by deriving passwords from public serial numbers, leading to unauthorized access.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-25754?
CVE-2020-25754 is a high-severity vulnerability in n/a, published on 16 Jun 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-916
Which versions are affected by CVE-2020-25754?
It affects 1 product.
Products include Enphase Envoy Firmware.
How do I fix CVE-2020-25754?
No fix has been published for CVE-2020-25754 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-25754 being exploited?
There is no known exploitation of CVE-2020-25754 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-cq4j-2685-h9rw.