CVE-2021-35028 — HIGH (7.3)

Vulnerability Description

A command injection vulnerability in the CGI program of the Zyxel VPN2S firmware version 1.12 could allow an authenticated, local user to execute arbitrary OS commands.

CVSS Score

7.3

HIGH

CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H

Attack Vector

ADJACENT_NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Zyxel	Zywall Vpn2S Firmware	1.12\(abln.0\)c0
Zyxel	Zywall Vpn2S	-

Related Weaknesses (CWE)

CWE-78

References

https://www.zyxel.com/support/Zyxel_security_advisory_for_directory_traversal_anPatchVendor Advisory
https://www.zyxel.com/support/Zyxel_security_advisory_for_directory_traversal_anPatchVendor Advisory

FAQ

What is CVE-2021-35028?

CVE-2021-35028 is a vulnerability with a CVSS score of 7.3 (HIGH). A command injection vulnerability in the CGI program of the Zyxel VPN2S firmware version 1.12 could allow an authenticated, local user to execute arbitrary OS commands.

How severe is CVE-2021-35028?

CVE-2021-35028 has been rated HIGH with a CVSS base score of 7.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-35028?

Check the references section above for vendor advisories and patch information. Affected products include: Zyxel Zywall Vpn2S Firmware, Zyxel Zywall Vpn2S.