CVE-2021-27139
HIGHCVSS 7.5/10EPSS 16.21%
Last modified
CVE-2021-27139 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An issue was discovered on FiberHome HG6245D devices through RP2613. It is possible to extract information from the device without authentication by disabling JavaScript and visiting /info.asp.. EPSS estimates a 16.21% chance of exploitation in the next 30 days.
Description
An issue was discovered on FiberHome HG6245D devices through RP2613. It is possible to extract information from the device without authentication by disabling JavaScript and visiting /info.asp.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Fiberhome | Hg6245d Firmware | <= rp2613 |
References
- https://pierrekim.github.io/blog/2021-01-12-fiberhome-ont-0day-vulnerabilities.html#httpd-infoleakExploit, Third Party Advisory
- https://pierrekim.github.io/blog/2021-01-12-fiberhome-ont-0day-vulnerabilities.html#httpd-infoleakExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-27139?
An issue was discovered on FiberHome HG6245D devices through RP2613. It is possible to extract information from the device without authentication by disabling JavaScript and visiting /info.asp.
How severe is CVE-2021-27139?
CVE-2021-27139 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 16.21% probability of exploitation in the next 30 days.
How do I fix CVE-2021-27139?
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-2021-27139?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST