CVE-2023-5593

High

Description

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.

SeverityHigh

CVSS7.8

Exploit probability—

Product

Zyxel Secuextender Ssl Vpn

PublishedNov 20, 2023

First seenNov 20, 2023

Weakness typeCWE-787Out-of-bounds write

How to fix

Vendor advisories

zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-out-of-bounds-write-vulnerability-in-secuextender-ssl-vpn-client-software

Affected products

Product	Affected versions	Fixed in
zyxel secuextender_ssl_vpn	4.0.4.0	—

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