CVE-2021-28149 — MEDIUM (6.5)

Vulnerability Description

Hongdian H8922 3.0.5 devices allow Directory Traversal. The /log_download.cgi log export handler does not validate user input and allows a remote attacker with minimal privileges to download any file from the device by substituting ../ (e.g., ../../etc/passwd) This can be carried out with a web browser by changing the file name accordingly. Upon visiting log_download.cgi?type=../../etc/passwd and logging in, the web server will allow a download of the contents of the /etc/passwd file.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Hongdian	H8922 Firmware	3.0.5
Hongdian	H8922	-

Related Weaknesses (CWE)

CWE-22

References

http://en.hongdian.com/Products/Details/H8922ProductVendor Advisory
https://ssd-disclosure.com/ssd-advisory-hongdian-h8922-multiple-vulnerabilities/ExploitThird Party Advisory
http://en.hongdian.com/Products/Details/H8922ProductVendor Advisory
https://ssd-disclosure.com/ssd-advisory-hongdian-h8922-multiple-vulnerabilities/ExploitThird Party Advisory

FAQ

What is CVE-2021-28149?

CVE-2021-28149 is a vulnerability with a CVSS score of 6.5 (MEDIUM). Hongdian H8922 3.0.5 devices allow Directory Traversal. The /log_download.cgi log export handler does not validate user input and allows a remote attacker with minimal privileges to download any file ...

How severe is CVE-2021-28149?

CVE-2021-28149 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-28149?

Check the references section above for vendor advisories and patch information. Affected products include: Hongdian H8922 Firmware, Hongdian H8922.