What’s Vulnerable › Vulnerabilities

CVE-2023-24491

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-07-11 · updated 2026-06-17
• Weakness: CWE-269

Description

A vulnerability has been discovered in the Citrix Secure Access client for Windows which, if exploited, could allow an attacker with access to an endpoint with Standard User Account that has the vulnerable client installed to escalate their local privileges to that of NT AUTHORITY\SYSTEM.

Affected products

• Citrix Secure Access Client for Windows: before 23.5.1.3 — fixed in 23.5.1.3
• Citrix Secure Access Client for Windows: before 23.5.1.3 — fixed in 23.5.1.3
• Citrix Secure Access Client for Windows: before 23.5.1.3 — fixed in 23.5.1.3

How to fix

Upgrade to a fixed version: Citrix Secure Access Client for Windows 23.5.1.3; Citrix Secure Access Client for Windows 23.5.1.3; Citrix Secure Access Client for Windows 23.5.1.3. Check the vendor advisory for mitigations.

References

• https://support.citrix.com/article/CTX561480/citrix-secure-access-client-for-windows-security-bulletin-for-cve202324491
• https://support.citrix.com/article/CTX561480/citrix-secure-access-client-for-windows-security-bulletin-for-cve202324491

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