CVE-2023-4966
Last modified
CVE-2023-4966 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. CISA has confirmed active exploitation in the wild. EPSS estimates a 100.00% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
100.0th percentile
Probability of exploitation in the next 30 days. Learn more
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Citrix | Netscaler Application Delivery Controller | >= 12.1, < 12.1-55.300 |
| Citrix | Netscaler Application Delivery Controller | >= 13.0, < 13.0-92.19 |
| Citrix | Netscaler Application Delivery Controller | >= 13.1, < 13.1-37.164 |
| Citrix | Netscaler Application Delivery Controller | >= 13.1, < 13.1-49.15 |
| Citrix | Netscaler Application Delivery Controller | >= 14.1, < 14.1-8.50 |
| Citrix | Netscaler Gateway | >= 13.0, < 13.0-92.19 |
| Citrix | Netscaler Gateway | >= 13.1, < 13.1-49.15 |
| Citrix | Netscaler Gateway | >= 14.1, < 14.1-8.50 |
References
- http://packetstormsecurity.com/files/175323/Citrix-Bleed-Session-Token-Leakage-Proof-Of-Concept.htmlThird Party Advisory, VDB Entry
- https://support.citrix.com/article/CTX579459Vendor Advisory
- http://packetstormsecurity.com/files/175323/Citrix-Bleed-Session-Token-Leakage-Proof-Of-Concept.htmlThird Party Advisory, VDB Entry
- https://support.citrix.com/article/CTX579459Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-4966US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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