CVE-2020-27402
HIGHCVSS 7.8/10EPSS 0.53%
Last modified
CVE-2020-27402 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. The HK1 Box S905X3 TV Box contains a vulnerability that allows a local unprivileged user to escalate to root using the /system/xbin/su binary via a serial port (UART) connection or using adb.. EPSS estimates a 0.53% chance of exploitation in the next 30 days.
Description
The HK1 Box S905X3 TV Box contains a vulnerability that allows a local unprivileged user to escalate to root using the /system/xbin/su binary via a serial port (UART) connection or using adb.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Hindotech | Hk1 Box S905x3 Firmware | hk1_x3_s905x3_4bit_v11_2019-11-05 |
References
- https://github.com/sickcodes/security/blob/master/advisories/SICK-2020-004.mdExploit, Third Party Advisory
- https://sick.codes/sick-2020-004/Exploit, Third Party Advisory
- https://threatpost.com/authentication-bug-android-smart-tv-data-theft/160025/Third Party Advisory
- https://www.cybersecurity-help.cz/vdb/SB2020101404Third Party Advisory
- https://www.securitylab.ru/news/513051.phpThird Party Advisory
- https://github.com/sickcodes/security/blob/master/advisories/SICK-2020-004.mdExploit, Third Party Advisory
- https://sick.codes/sick-2020-004/Exploit, Third Party Advisory
- https://threatpost.com/authentication-bug-android-smart-tv-data-theft/160025/Third Party Advisory
- https://www.cybersecurity-help.cz/vdb/SB2020101404Third Party Advisory
- https://www.securitylab.ru/news/513051.phpThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-27402?
The HK1 Box S905X3 TV Box contains a vulnerability that allows a local unprivileged user to escalate to root using the /system/xbin/su binary via a serial port (UART) connection or using adb.
How severe is CVE-2020-27402?
CVE-2020-27402 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.53% probability of exploitation in the next 30 days.
How do I fix CVE-2020-27402?
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-2020-27402?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST