CVE-2023-4966
Citrix NetScaler ADC and NetScaler Gateway Buffer Overflow Vulnerability
- 대응 우선순위
- 최우선
- CVSS
- 7.5
- EPSS
- 100.0% 백분위 100.0% · 2026.06.27 기준
- CISA KEV
- 등록
- 조치 기한
- 2023.11.08
- 공개일
- 2023.10.10
CISA KEV에 등록된 실제 악용 확인 취약점
Sensitive information disclosure in NetScaler ADC and NetScaler Gateway when configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server.
공급사 Citrix
제품 NetScaler ADC and NetScaler Gateway
영향 버전 14.1, 13.1, 13.0, 13.1-FIPS, 12.1-FIPS, 12.1-NDcPP, >= 12.1 < 12.1-55.300, >= 13.0 < 13.0-92.19, >= 13.1 < 13.1-37.164, >= 13.1 < 13.1-49.15, >= 14.1 < 14.1-8.50
수정 버전 12.1-55.300, 13.0-92.19, 13.1-37.164, 13.1-49.15, 14.1-8.50
Apply mitigations and kill all active and persistent sessions per vendor instructions [https://www.netscaler.com/blog/news/cve-2023-4966-critical-security-update-now-available-for-netscaler-adc-and-netscaler-gateway/] OR discontinue use of the product if mitigations are unavailable.
조치 기한: 2023.11.08CVSS 벡터 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE CWE-119
KEV 등록일 2023.10.18
랜섬웨어 캠페인 사용 확인됨
CISA 비고 https://www.netscaler.com/blog/news/cve-2023-4966-critical-security-update-now-available-for-netscaler-adc-and-netscaler-gateway/, https://support.citrix.com/article/CTX579459/netscaler-adc-and-netscaler-gateway-security-bulletin-for-cve20234966-and-cve20234967 ; https://nvd.nist.gov/vuln/detail/CVE-2023-4966
EPSS 데이터 기준일 2026.06.27