CVE-2020-27402

CVE-2020-27402 is a high-severity vulnerability in Hindotech Hk1 Box S905x3 Firmware with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

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.

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 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-27402 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-27402?
CVE-2020-27402 affects Hindotech Hk1 Box S905x3 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-27402?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-27402 published?
CVE-2020-27402 was published on 2020-11-05 and last updated on 2026-06-17.

References

Affected products (1)