CVE-2024-8534

Memory safety vulnerability leading to memory corruption and Denial of Service

Severity Score

8.4

*CVSS v4

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

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

*Credits: N/A

CVSS Scores

Citrix Systems, Inc.v4 8.4

Attack Vector

Network

Attack Complexity

Low

Attack Requirements

Present

Privileges Required

None

User Interaction

None

System

Vulnerable | Subsequent

Confidentiality

Low

None

Integrity

High

None

Availability

High

Low

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

None

Automatable

Yes

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2024-09-06 CVE Reserved
2024-11-12 CVE Published
2024-11-13 EPSS Updated
2024-11-21 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

CAPEC

References (1)

URL	Tag	Source
https://support.citrix.com/s/article/CTX691608-netscaler-adc-and-netscaler-gateway-security-bulletin-for-cve20248534-and-cve20248535?language=en_US

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
NetSclaer Search vendor "NetSclaer"		NetScaler ADC Search vendor "NetSclaer" for product "NetScaler ADC"				>= 14.1 < 29.72 Search vendor "NetSclaer" for product "NetScaler ADC" and version " >= 14.1 < 29.72"		en		Affected
NetSclaer Search vendor "NetSclaer"		NetScaler ADC Search vendor "NetSclaer" for product "NetScaler ADC"				>= 13.1 < 55.34 Search vendor "NetSclaer" for product "NetScaler ADC" and version " >= 13.1 < 55.34"		en		Affected
NetScaler Search vendor "NetScaler"		NetScaler Gateway Search vendor "NetScaler" for product "NetScaler Gateway"				>= 14.1 < 29.72 Search vendor "NetScaler" for product "NetScaler Gateway" and version " >= 14.1 < 29.72"		en		Affected
NetScaler Search vendor "NetScaler"		NetScaler Gateway Search vendor "NetScaler" for product "NetScaler Gateway"				>= 13.1 < 55.34 Search vendor "NetScaler" for product "NetScaler Gateway" and version " >= 13.1 < 55.34"		en		Affected