CVE-2024-8534
CVE-2024-8534 is a high-severity vulnerability in Citrix Netscaler Application Delivery Controller with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: High (CVSS 3.x base score 8.1)
- CVSS v4: 8.4
- EPSS exploit prediction: 1% (43rd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-49549
- Weakness: CWE-787
- Affected product: Citrix Netscaler Application Delivery Controller
- Published:
- Last modified:
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
Frequently asked questions
- What is CVE-2024-8534?
- 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
- How severe is CVE-2024-8534?
- CVE-2024-8534 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2024-8534 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-8534?
- CVE-2024-8534 primarily affects Citrix Netscaler Application Delivery Controller. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2024-8534?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2024-8534 have an EU (EUVD) identifier?
- Yes. CVE-2024-8534 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-49549.
- When was CVE-2024-8534 published?
- CVE-2024-8534 was published on 2024-11-12 and last updated on 2026-06-17.
References
Affected products (4)
- cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*
- cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:ndcpp:*:*:*
- cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*
- cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*
More vulnerabilities in Citrix Netscaler Application Delivery Controller
- CVE-2014-2882 — Critical (CVSS 10.0): Unspecified vulnerability in the management GUI in Citrix NetScaler Application Delivery Controller (ADC) and NetScaler…
- CVE-2014-2881 — Critical (CVSS 10.0): Unspecified vulnerability in the Diffie-Hellman key agreement implementation in the management GUI Java applet in…
- CVE-2026-8655 — Critical (CVSS 9.8): Multiple Memory overflow vulnerabilities in NetScaler ADC and NetScaler Gateway leading to unpredictable or erroneous…
- CVE-2026-8452 — Critical (CVSS 9.8): Memory overflow vulnerability NetScaler ADC and NetScaler Gateway leading to unpredictable or erroneous behavior and…
- CVE-2026-3055 — Critical (CVSS 9.8): Insufficient input validation in NetScaler ADC and NetScaler Gateway when configured as a SAML IDP leading…
- CVE-2025-7776 — Critical (CVSS 9.8): Memory overflow vulnerability leading to unpredictable or erroneous behavior and Denial of Service in NetScaler ADC…
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