Vulnerability Details : CVE-2020-25752
Potential exploit
An issue was discovered on Enphase Envoy R3.x and D4.x devices. There are hardcoded web-panel login passwords for the installer and Enphase accounts. The passwords for these accounts are hardcoded values derived from the MD5 hash of the username and serial number mixed with some static strings. The serial number can be retrieved by an unauthenticated user at /info.xml. These passwords can be easily calculated by an attacker; users are unable to change these passwords.
Products affected by CVE-2020-25752
- cpe:2.3:o:enphase:envoy_firmware:d4.0:*:*:*:*:*:*:*
- cpe:2.3:o:enphase:envoy_firmware:r3.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-25752
0.79%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 72 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-25752
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST | |
|
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
3.9
|
1.4
|
NIST |
CWE ids for CVE-2020-25752
-
The product contains hard-coded credentials, such as a password or cryptographic key.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-25752
-
https://enphase.com/en-us/products-and-services/envoy-and-combiner
Communication Gateway for solar and storage Systems| Enphase CommunicationProduct;Vendor Advisory
-
https://medium.com/stage-2-security/can-solar-controllers-be-used-to-generate-fake-clean-energy-credits-4a7322e7661a
Can solar controllers be used to generate fake clean energy credits? | by Waylon Grange | Stage 2 Security | May, 2021 | MediumExploit;Third Party Advisory
-
https://stage2sec.com
Cloud Native Cyber Security | Stage 2 Security | United StatesThird Party Advisory
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