CVE-2020-25753
CRITICALCVSS 9.8/10EPSS 2.23%
Last modified
CVE-2020-25753 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An issue was discovered on Enphase Envoy R3.x and D4.x devices with v3 software. The default admin password is set to the last 6 digits of the serial number. EPSS estimates a 2.23% chance of exploitation in the next 30 days.
Description
An issue was discovered on Enphase Envoy R3.x and D4.x devices with v3 software. The default admin password is set to the last 6 digits of the serial number. The serial number can be retrieved by an unauthenticated user at /info.xml.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Enphase | Envoy Firmware | d4.0 |
| Enphase | Envoy Firmware | r3.0 |
References
- https://enphase.com/en-us/products-and-services/envoy-and-combinerProduct, Vendor Advisory
- https://medium.com/stage-2-security/can-solar-controllers-be-used-to-generate-fake-clean-energy-credits-4a7322e7661aExploit, Third Party Advisory
- https://stage2sec.comThird Party Advisory
- https://enphase.com/en-us/products-and-services/envoy-and-combinerProduct, Vendor Advisory
- https://medium.com/stage-2-security/can-solar-controllers-be-used-to-generate-fake-clean-energy-credits-4a7322e7661aExploit, Third Party Advisory
- https://stage2sec.comThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-25753?
An issue was discovered on Enphase Envoy R3.x and D4.x devices with v3 software. The default admin password is set to the last 6 digits of the serial number. The serial number can be retrieved by an unauthenticated user at /info.xml.
How severe is CVE-2020-25753?
CVE-2020-25753 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.23% probability of exploitation in the next 30 days.
How do I fix CVE-2020-25753?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2020-25753?
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Scan your code nowSource: NVD / NIST