Is CVE-2024-8535 in the CISA KEV catalog?

No. CVE-2024-8535 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-8535?

CVE-2024-8535 has a CVSS v3 base score of 8.1 (HIGH).

What is the EPSS score for CVE-2024-8535?

CVE-2024-8535 has an EPSS score of 0.42% (34th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-8535?

Upgrade netscaler application delivery controller to 12.1-55.321 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2024-8535

HIGH

8.1

CVSS v3

NVD

Description

Authenticated user can access unintended user capabilities in NetScaler ADC and NetScaler Gateway if the appliance must be configured as a Gateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy) with KCDAccount configuration for Kerberos SSO to access backend resources OR the appliance must be configured as an Auth Server (AAA Vserver) with KCDAccount configuration for Kerberos SSO to access backend resources

CWE-552

How to fix

Remediation Available

netscaler application delivery controllerNVD

Affected:>= 12.1, < 12.1-55.321Fixed in:12.1-55.321CVE-2024-8535derived from NVD

Affected:>= 13.1, < 13.1-37.207Fixed in:13.1-37.207CVE-2024-8535derived from NVD

Affected:>= 14.1, < 14.1-29.72Fixed in:14.1-29.72CVE-2024-8535derived from NVD

netscaler gatewayNVD

Affected:>= 14.1, < 14.1-29.72Fixed in:14.1-29.72CVE-2024-8535derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.42%probability of exploitation in 30 days

34thpercentile

Low risk: more likely to be exploited than 34% of all known CVEs.

References

Vendor Advisory1

support.citrix.com

Related Vulnerabilities

Other CWE-552 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-17519	High	7.5	98%	KEV	Fix
CVE-2025-11371	High	7.5	92%	KEV	Fix
CVE-2023-50164	Critical	9.8	81%	-	Fix
CVE-2016-3715	Medium	5.5	75%	KEV	Fix
CVE-2020-15175	High	7.4	71%	-	Fix
CVE-2021-39316	High	7.5	67%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-07-25.