RCE in Hongdian H8922
CVE-2021-28151
Hongdian H8922 3.0.5 devices allow OS command injection via shell metacharacters into the ip-address (aka Destination) field to the tools.cgi ping command, which is accessible with the username guest and password guest.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.279 (98.0th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.279 · newest: 0.279 · change: 0.000
Affected products
- Hongdian H8922
- Hongdian H8922 Firmware — versions 3.0.5
Weakness classification (CWE)
Public proof-of-concept exploits
References
- en.hongdian.com/Products/Details/H8922 (Product, Vendor Advisory)
- ssd-disclosure.com/ssd-advisory-hongdian-h8922-multiple-vulnerabilities/ (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-28151?
- CVE-2021-28151 is a high-severity vulnerability in Hongdian H8922, classified under OS Command Injection. CVSS score: 8.8/10. Published 2021-05-06.
- How severe is CVE-2021-28151?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2021-28151 known to be exploited?
- 12 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.