CVE-2024-8534

Name: CVE-2024-8534
Creator: NVD / NIST
Published: 2024-11-12T19:15:18.907+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.4/10EPSS 0.56%

Last modified Jun 17, 2026

CVE-2024-8534 is a high-severity vulnerability rated 8.4/10 on the CVSS scale. Memory safety vulnerability leading to memory corruption and Denial of Service in NetScaler ADC and Gateway if the appliance must be configured as a Gateway (VPN Vserver) with RDP Feature enabled OR the appliance must be configured as a Gateway (VPN Vserver) and RDP Proxy Server Profile is created and set to Gateway (VPN Vserver) OR the appliance must be configured as a Auth Server (AAA Vserver) with RDP Feature enabled. EPSS estimates a 0.56% chance of exploitation in the next 30 days.

Description

Memory safety vulnerability leading to memory corruption and Denial of Service in NetScaler ADC and Gateway if the appliance must be configured as a Gateway (VPN Vserver) with RDP Feature enabled OR the appliance must be configured as a Gateway (VPN Vserver) and RDP Proxy Server Profile is created and set to Gateway (VPN Vserver) OR the appliance must be configured as a Auth Server (AAA Vserver) with RDP Feature enabled

Metrics

CVSS 3.1

8.1/10

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

CVSS 4.0

8.4/10

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.56%

42.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Citrix	Netscaler Application Delivery Controller	>= 12.1, < 12.1-55.321
Citrix	Netscaler Application Delivery Controller	>= 12.1, < 13.1-55.34
Citrix	Netscaler Application Delivery Controller	>= 13.1, < 13.1-37.207
Citrix	Netscaler Application Delivery Controller	>= 14.1, < 14.1-29.72
Citrix	Netscaler Gateway	>= 12.1, < 13.1-55.34
Citrix	Netscaler Gateway	>= 14.1, < 14.1-29.72

References

https://support.citrix.com/s/article/CTX691608-netscaler-adc-and-netscaler-gateway-security-bulletin-for-cve20248534-and-cve20248535?language=en_USVendor Advisory

Timeline

Published: Nov 12, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-8534?

How severe is CVE-2024-8534?

CVE-2024-8534 has a CVSS score of 8.4/10 (HIGH severity). The EPSS model estimates a 0.56% probability of exploitation in the next 30 days.

How do I fix CVE-2024-8534?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-8534?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST