7.8
CWE
787
EPSS
0.042%
Advisory Published
Updated

CVE-2023-5593

First published: Mon Nov 20 2023(Updated: )

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.

Credit: security@zyxel.com.tw

Affected SoftwareAffected VersionHow to fix
Zyxel Secuextender Ssl Vpn=4.0.4.0

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Frequently Asked Questions

  • What is CVE-2023-5593?

    CVE-2023-5593 is an out-of-bounds write vulnerability in the Windows-based SecuExtender SSL VPN Client software version 4.0.4.0.

  • How does CVE-2023-5593 impact users?

    CVE-2023-5593 allows an authenticated local user to gain privilege escalation by sending a crafted CREATE message.

  • What is the severity of CVE-2023-5593?

    The severity of CVE-2023-5593 is rated as high with a CVSS score of 7.8.

  • What software versions are affected by CVE-2023-5593?

    SecuExtender SSL VPN Client software version 4.0.4.0 is affected by CVE-2023-5593.

  • How can I fix CVE-2023-5593?

    To fix CVE-2023-5593, users should apply the necessary security updates provided by Zyxel, the vendor of SecuExtender SSL VPN Client software.

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