Home/CVE/Memory safety vulnerability leading to memory corruption and Denial of Service in NetScaler ADC and Gateway if the appl
CVE

CVE-2024-8534

Memory safety vulnerability leading to memory corruption and Denial of Service in NetScaler ADC and Gateway if the appl

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.

HIGH · CVSS 8.1 EPSS 0.01347
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-787Out-of-bounds Write
▤

Affected Products & Versions

6
citrix netscaler application delivery controller>= 12.1 and < 12.1-55.321
citrix netscaler application delivery controller>= 12.1 and < 13.1-55.34
citrix netscaler application delivery controller>= 13.1 and < 13.1-37.207
citrix netscaler application delivery controller>= 14.1 and < 14.1-29.72
citrix netscaler gateway>= 12.1 and < 13.1-55.34
citrix netscaler gateway>= 14.1 and < 14.1-29.72
▣

Scoring & Timeline

8.1
HIGH · CVSS v3.1 · secure@citrix.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD12 Nov 2024 · 07:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://support.citrix.com/s/article/CTX691608-netscaler-adc-and-netscaler-gateway-security-bulletin-for-cve20248534-and-cve20248535?language=en_USVendor Advisory
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