CVE-2023-4966
Citrix NetScaler ADC and NetScaler Gateway Buffer Overflow Vulnerability
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
8
*Multiple Sources
Exploited in Wild
Yes
*KEV
Decision
-
*SSVC
Descriptions
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.
Divulgación de información confidencial en NetScaler ADC y NetScaler Gateway cuando se configura como Gateway (servidor virtual VPN, ICA Proxy, CVPN, RDP Proxy) o servidor "virtual" AAA.
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.
Citrix NetScaler ADC and NetScaler Gateway contain a buffer overflow vulnerability that allows for sensitive information disclosure when configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2023-09-14 CVE Reserved
- 2023-10-10 CVE Published
- 2023-10-18 Exploited in Wild
- 2023-10-25 First Exploit
- 2023-11-08 KEV Due Date
- 2024-08-02 CVE Updated
- 2024-09-09 EPSS Updated
CWE
- CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CAPEC
References (10)
| URL | Tag | Source |
|---|---|---|
| http://packetstormsecurity.com/files/175323/Citrix-Bleed-Session-Token-Leakage-Proof-Of-Concept.html | Third Party Advisory |
|
| URL | Date | SRC |
|---|---|---|
| https://github.com/Chocapikk/CVE-2023-4966 | 2023-10-26 | |
| https://github.com/RevoltSecurities/CVE-2023-4966 | 2023-10-29 | |
| https://github.com/byte4RR4Y/CVE-2023-4966 | 2023-11-27 | |
| https://github.com/0xKayala/CVE-2023-4966 | 2023-10-28 | |
| https://github.com/mlynchcogent/CVE-2023-4966-POC | 2023-10-25 | |
| https://github.com/IceBreakerCode/CVE-2023-4966 | 2023-10-25 | |
| https://github.com/s-bt/CVE-2023-4966 | 2023-11-20 | |
| https://github.com/senpaisamp/Netscaler-CVE-2023-4966-POC | 2024-04-23 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://support.citrix.com/article/CTX579459 | 2024-06-17 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Citrix Search vendor "Citrix" | Netscaler Application Delivery Controller Search vendor "Citrix" for product "Netscaler Application Delivery Controller" | >= 12.1 < 12.1-55.300 Search vendor "Citrix" for product "Netscaler Application Delivery Controller" and version " >= 12.1 < 12.1-55.300" | fips |
Affected
| ||||||
| Citrix Search vendor "Citrix" | Netscaler Application Delivery Controller Search vendor "Citrix" for product "Netscaler Application Delivery Controller" | >= 12.1 < 12.1-55.300 Search vendor "Citrix" for product "Netscaler Application Delivery Controller" and version " >= 12.1 < 12.1-55.300" | ndcpp |
Affected
| ||||||
| Citrix Search vendor "Citrix" | Netscaler Application Delivery Controller Search vendor "Citrix" for product "Netscaler Application Delivery Controller" | >= 13.0 < 13.0-92.19 Search vendor "Citrix" for product "Netscaler Application Delivery Controller" and version " >= 13.0 < 13.0-92.19" | - |
Affected
| ||||||
| Citrix Search vendor "Citrix" | Netscaler Application Delivery Controller Search vendor "Citrix" for product "Netscaler Application Delivery Controller" | >= 13.1 < 13.1-37.164 Search vendor "Citrix" for product "Netscaler Application Delivery Controller" and version " >= 13.1 < 13.1-37.164" | fips |
Affected
| ||||||
| Citrix Search vendor "Citrix" | Netscaler Application Delivery Controller Search vendor "Citrix" for product "Netscaler Application Delivery Controller" | >= 13.1 < 13.1-49.15 Search vendor "Citrix" for product "Netscaler Application Delivery Controller" and version " >= 13.1 < 13.1-49.15" | - |
Affected
| ||||||
| Citrix Search vendor "Citrix" | Netscaler Application Delivery Controller Search vendor "Citrix" for product "Netscaler Application Delivery Controller" | >= 14.1 < 14.1-8.50 Search vendor "Citrix" for product "Netscaler Application Delivery Controller" and version " >= 14.1 < 14.1-8.50" | - |
Affected
| ||||||
| Citrix Search vendor "Citrix" | Netscaler Gateway Search vendor "Citrix" for product "Netscaler Gateway" | >= 13.0 < 13.0-92.19 Search vendor "Citrix" for product "Netscaler Gateway" and version " >= 13.0 < 13.0-92.19" | - |
Affected
| ||||||
| Citrix Search vendor "Citrix" | Netscaler Gateway Search vendor "Citrix" for product "Netscaler Gateway" | >= 13.1 < 13.1-49.15 Search vendor "Citrix" for product "Netscaler Gateway" and version " >= 13.1 < 13.1-49.15" | - |
Affected
| ||||||
| Citrix Search vendor "Citrix" | Netscaler Gateway Search vendor "Citrix" for product "Netscaler Gateway" | >= 14.1 < 14.1-8.50 Search vendor "Citrix" for product "Netscaler Gateway" and version " >= 14.1 < 14.1-8.50" | - |
Affected
| ||||||