CVE-2021-35027 — HIGH (7.5)

Vulnerability Description

A directory traversal vulnerability in the web server of the Zyxel VPN2S firmware version 1.12 could allow a remote attacker to gain access to sensitive information.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

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

Related Weaknesses (CWE)

CWE-22 CWE-27

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-2021-35027?

CVE-2021-35027 is a vulnerability with a CVSS score of 7.5 (HIGH). A directory traversal vulnerability in the web server of the Zyxel VPN2S firmware version 1.12 could allow a remote attacker to gain access to sensitive information.

How severe is CVE-2021-35027?

CVE-2021-35027 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-35027?

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