CVE•Published 2023-10-10•Modified 2026-07-31•2 articles on news•6 live references•NVD data
CVE-2023-4966Citrix · Netscaler_application_delivery_controller
Vulnerability data via NVD (ingested)
CVSS v3.1
9.4
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
EPSS percentile
100
Exploit Prediction Scoring System · top 0% of all CVEs
Description
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.
Timeline
Published 2023-10-10
Modified 2026-07-31
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag33 hosts
vuln:CVE-2023-4966Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Citrix Netscaler Application Delivery Controller"All exposed Citrix Netscaler Application Delivery Controller instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Netscaler Application Delivery Controller"HTTP body or banner mentions "Netscaler Application Delivery Controller" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2023-4966Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2023-4966Censys host search filtered to this CVE id.
grep.app
CVE-2023-4966Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2023-4966GitHub code search for direct mentions.
Google dork
"CVE-2023-4966" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (8)
CVE-2023-49668 repos
Mr-xn/Penetration_Testing_POCHTML
渗透测试有关的POC、EXP、脚本、提权、小工具等---About penetration-testing python-script poc getshell csrf xss cms php-getshell domainmod-xss csrf-webshell cobub-razor cve rce sql sql-poc poc-exp bypas…
Threekiii/Awesome-POCJava
一个漏洞 PoC 知识库。A knowledge base for vulnerability PoCs(Proof of Concept), with 1k+ vulnerabilities.
aleff-github/my-flipper-shitsHTML
Free and libre source BadUSB payloads for Flipper Zero. [Windows, GNU/Linux, iOS]
mukul975/cve-mcp-serverPython
Production-grade MCP server giving Claude 27 security intelligence tools across 21 APIs — CVE lookup, EPSS scoring, CISA KEV, MITRE ATT&CK, Shodan, VirusTotal, and more.
izj007/wechatunknown
微信收藏的文章
Ostorlab/KEVunknown
Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.
JFR-C/Windows-Penetration-TestingC
Technical notes, AD pentest methodology, list of tools, scripts and Windows commands that are useful for internal penetration tests and assumed breach exercises (red teaming).
ARPSyndicate/cve-scoresunknown
EPSS & VEDAS Score Aggregator for CVEs