Vulnerability in Hindotech Hk1 Box S905x3
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (43.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 43.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Hindotech Hk1 Box S905x3
- Hindotech Hk1 Box S905x3 Firmware — versions hk1_x3_s905x3_4bit_v11_2019-11-05
Public proof-of-concept exploits
References
- threatpost.com/authentication-bug-android-smart-tv-data-theft/160025/ (Third Party Advisory)
- www.cybersecurity-help.cz/vdb/SB2020101404 (Third Party Advisory)
- www.securitylab.ru/news/513051.php (Third Party Advisory)
- sick.codes/sick-2020-004/ (Exploit, Third Party Advisory)
- github.com/sickcodes/security/blob/master/advisories/SICK-2020-004.md (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-27402?
- CVE-2020-27402 is a high-severity vulnerability in Hindotech Hk1 Box S905x3. CVSS score: 7.8/10. Published 2020-11-05.
- How severe is CVE-2020-27402?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2020-27402 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.