CVE-2023-5593

The out-of-bounds write vulnerability in the Windows-based SecuExtender SSL VPN Client software version 4.0.4.0 could allow an authenticated local user to gain a privilege escalation by sending a crafted CREATE message.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-out-of-bounds-write-vulnerability-in-secuextender-ssl-vpn-client-software	Patch Vendor Advisory
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-out-of-bounds-write-vulnerability-in-secuextender-ssl-vpn-client-software	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:zyxel:secuextender_ssl_vpn:4.0.4.0:*:*:*:*:windows:*:*

History

21 Nov 2024, 08:42

Type	Values Removed	Values Added
References	~~() https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-out-of-bounds-write-vulnerability-in-secuextender-ssl-vpn-client-software - Patch, Vendor Advisory~~	() https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-out-of-bounds-write-vulnerability-in-secuextender-ssl-vpn-client-software - Patch, Vendor Advisory

30 Nov 2023, 15:14

Type	Values Removed	Values Added
References	~~() https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-out-of-bounds-write-vulnerability-in-secuextender-ssl-vpn-client-software -~~	() https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-out-of-bounds-write-vulnerability-in-secuextender-ssl-vpn-client-software - Patch, Vendor Advisory
First Time		Zyxel secuextender Ssl Vpn Zyxel
CPE		cpe:2.3:a:zyxel:secuextender_ssl_vpn:4.0.4.0:::::windows::

20 Nov 2023, 12:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2023-11-20 12:15

Updated : 2024-11-21 08:42

NVD link : CVE-2023-5593

Mitre link : CVE-2023-5593

CVE.ORG link : CVE-2023-5593

JSON object : View

Products Affected

zyxel

secuextender_ssl_vpn

CWE

CWE-787

Out-of-bounds Write

7.8 /10