Buffer overflow in Citrix Netscaler_application_delivery_controller
CVE-2023-4967
Denial of Service in NetScaler ADC and NetScaler Gateway when configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA Virtual Server
Vulnerability class: Buffer Overflow
EPSS: 0.009 (55.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H.
Affected products
- Citrix Netscaler_application_delivery_controller
- Citrix Netscaler_gateway
- Cloud Software Group Netscaler Adc — versions 14.1, 13.1, 13.0
- Cloud Software Group Netscaler Gateway — versions 14.1, 13.1, 13.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secure@citrix.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-4967?
- CVE-2023-4967 is a high-severity vulnerability in Citrix Netscaler_application_delivery_controller, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.2/10. Published 2023-10-27.
- How severe is CVE-2023-4967?
- High severity. CVSS v3 base score is 8.2 out of 10.
- Is CVE-2023-4967 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.