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Known Exploited Vulnerability
9.4
CRITICAL CVSS 3.1
CVE-2023-4966
Citrix NetScaler ADC and NetScaler Gateway Buffer Overflow Vulnerability - [Actively Exploited]
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.

INFO

Published Date :

Oct. 10, 2023, 2:15 p.m.

Last Modified :

March 13, 2025, 7:53 p.m.

Remotely Exploit :

Yes !

Source :

[email protected]
CISA Notification
CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Description :

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.

Required Action :

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.

Notes :

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

Affected Products

The following products are affected by CVE-2023-4966 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Citrix netscaler_application_delivery_controller
2 Citrix netscaler_gateway
: Total Affected Vendor : 1 | Products : 2
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 CRITICAL [email protected]
CVSS 3.1 HIGH [email protected]
Solution
To address a vulnerability in Citrix NetScaler ADC and NetScaler Gateway, upgrade to the latest version and consult vendor documentation for security updates.
  • Upgrade to version 13.0-92.19, 13.1-49.15, 14.1-8.50 or later.
  • Refer to vendor documentation for security updates.
Public PoC/Exploit Available at Github

CVE-2023-4966 has a 38 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-4966.

URL Resource
http://packetstormsecurity.com/files/175323/Citrix-Bleed-Session-Token-Leakage-Proof-Of-Concept.html Third Party Advisory VDB Entry
https://support.citrix.com/article/CTX579459 Vendor Advisory
http://packetstormsecurity.com/files/175323/Citrix-Bleed-Session-Token-Leakage-Proof-Of-Concept.html Third Party Advisory VDB Entry
https://support.citrix.com/article/CTX579459 Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-4966 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-4966 weaknesses.

CAPEC-8: Buffer Overflow in an API Call Buffer Overflow in an API Call CAPEC-9: Buffer Overflow in Local Command-Line Utilities Buffer Overflow in Local Command-Line Utilities CAPEC-10: Buffer Overflow via Environment Variables Buffer Overflow via Environment Variables CAPEC-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow CAPEC-42: MIME Conversion MIME Conversion CAPEC-44: Overflow Binary Resource File Overflow Binary Resource File CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links CAPEC-46: Overflow Variables and Tags Overflow Variables and Tags CAPEC-47: Buffer Overflow via Parameter Expansion Buffer Overflow via Parameter Expansion CAPEC-100: Overflow Buffers Overflow Buffers CAPEC-123: Buffer Manipulation Buffer Manipulation

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
zhanpengliu-tencent/medium-cve

None

Updated: 1 week, 2 days ago
0 stars 0 fork 0 watcher
Born at : Aug. 15, 2025, 9:07 a.m. This repo has been linked 310 different CVEs too.
Profile Photo
prnvv2/ZeroSploit

None

Python Shell

Updated: 1 month ago
0 stars 0 fork 0 watcher
Born at : July 18, 2025, 1:25 p.m. This repo has been linked 1 different CVEs too.
Profile Photo
win3zz/CVE-2025-5777

CVE-2025-5777 (CitrixBleed 2) - Critical memory leak vulnerability affecting Citrix NetScaler ADC and Gateway devices

citrix cve-2025-5777 netscaler citrixbleed2

Python

Updated: 1 month ago
37 stars 10 fork 10 watcher
Born at : July 8, 2025, 2:12 p.m. This repo has been linked 2 different CVEs too.
Profile Photo
nocerainfosec/cve-2025-5777

Memory disclosure vulnerability in Citrix NetScaler ADC and Gateway when configured as a Gateway (VPN virtual server, ICA proxy, CVPN, RDP Proxy).

citrix citrix-netscaler cve-2025-5777

Python

Updated: 1 month, 1 week ago
1 stars 0 fork 0 watcher
Born at : July 5, 2025, 11:56 p.m. This repo has been linked 2 different CVEs too.
Profile Photo
mingshenhk/CitrixBleed-2-CVE-2025-5777-PoC-

详细讲解CitrixBleed 2 — CVE-2025-5777（越界泄漏）PoC 和检测套件

Python

Updated: 1 month ago
14 stars 2 fork 2 watcher
Born at : June 30, 2025, 11:02 a.m. This repo has been linked 3 different CVEs too.
Profile Photo
ReaperGuardian/Flipper_Shits-

None

Python Shell HTML JavaScript PowerShell TeX

Updated: 3 months, 1 week ago
0 stars 0 fork 0 watcher
Born at : May 13, 2025, 1:16 p.m. This repo has been linked 5 different CVEs too.
Profile Photo
akshthejo/CVE-2023-4966-exploit

CVE-2023-4966-exploit

Updated: 7 months, 1 week ago
0 stars 0 fork 0 watcher
Born at : Dec. 18, 2024, 9:09 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
XiaomingX/awesome-poc-for-red-team

A curated collection of Proof of Concept (PoC) tools, scripts, and techniques designed for red team operations, penetration testing, and cybersecurity research. This repository focuses on providing practical resources for exploring vulnerabilities

attack cybersecurity exp hw penetration-testing poc red-team security-tools vulnerability-poc

Updated: 7 months ago
5 stars 3 fork 3 watcher
Born at : Nov. 17, 2024, 11:53 a.m. This repo has been linked 414 different CVEs too.
Profile Photo
J1ezds/Vulnerability-Wiki-page

这是一个每天同步Vulnerability-Wiki中docs-base中内容的项目

HTML

Updated: 5 days, 14 hours ago
4 stars 1 fork 1 watcher
Born at : Sept. 20, 2024, 3:27 a.m. This repo has been linked 252 different CVEs too.
Profile Photo
LucasOneZ/CVE-2023-4966

None

Python

Updated: 11 months, 1 week ago
0 stars 0 fork 0 watcher
Born at : Sept. 9, 2024, 7:26 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
whoami13apt/files2

None

Updated: 8 months, 4 weeks ago
1 stars 0 fork 0 watcher
Born at : May 16, 2024, 2:53 p.m. This repo has been linked 48 different CVEs too.
Profile Photo
laasso/FlipperZero

Flipper Zero payloads and configs!

Python Shell HTML JavaScript PowerShell TeX

Updated: 11 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : May 2, 2024, 4:53 p.m. This repo has been linked 2 different CVEs too.
Profile Photo
d4n-sec/d4n-sec.github.io

None

CSS HTML JavaScript

Updated: 1 year, 6 months ago
0 stars 0 fork 0 watcher
Born at : Feb. 2, 2024, 2:11 p.m. This repo has been linked 494 different CVEs too.
Profile Photo
mochabyte0x/citrix-netscaler-forensics

This repository contains a list of artifacts to search for while performing a forensic investigation on Citrix Netscaler appliances.

citrix-adc citrix-netscaler forensic-analysis guide citrix-adc-forensics malware

Shell

Updated: 2 months, 1 week ago
5 stars 1 fork 1 watcher
Born at : Jan. 26, 2024, 9:18 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
morganwdavis/overread

Simulates CVE-2023-4966 Citrix Bleed overread bug

C

Updated: 1 year, 4 months ago
2 stars 0 fork 0 watcher
Born at : Dec. 16, 2023, 9:55 p.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-4966 vulnerability anywhere in the article.

  • The Register
Major outage at Pennsylvania Attorney General's Office blamed on 'cyber incident'

The Pennsylvania's Office of Attorney General (OAG) is blaming a digital blackout of its services on a "cyber incident." The OAG posted a statement to Facebook yesterday, saying that its systems are c ... Read more

Published Date: Aug 12, 2025 (1 week, 4 days ago)
  • Daily CyberSecurity
ShadowSyndicate’s Global Ransomware Empire Blurs Lines Between Cybercrime and Geopolitical Espionage

Attack infrastructure of ShadowSyndicate overlaps with Toneshell, Rustdoor and Koi stealer | Image: Intrinsec In a recent investigation, cybersecurity firm Intrinsec has illuminated the sprawling infr ... Read more

Published Date: Aug 04, 2025 (2 weeks, 6 days ago)
  • The Hacker News
CISA Adds Citrix NetScaler CVE-2025-5777 to KEV Catalog as Active Exploits Target Enterprises

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday added a critical security flaw impacting Citrix NetScaler ADC and Gateway to its Known Exploited Vulnerabilities (KEV) cata ... Read more

Published Date: Jul 11, 2025 (1 month, 1 week ago)
  • The Hacker News
CISA Adds Citrix NetScaler CVE-2025-5777 to KEV Catalog as Active Exploits Target Enterprises

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday added a critical security flaw impacting Citrix NetScaler ADC and Gateway to its Known Exploited Vulnerabilities (KEV) cata ... Read more

Published Date: Jul 11, 2025 (1 month, 1 week ago)
  • The Register
Now everybody but Citrix agrees that CitrixBleed 2 is under exploit

The US Cybersecurity and Infrastructure Security Agency has added its weighty name to the list of parties agreeing that CVE-2025-5777, dubbed CitrixBleed 2 by one researcher, has been under exploitati ... Read more

Published Date: Jul 10, 2025 (1 month, 1 week ago)
  • The Register
Now everybody but Citrix agrees that CitrixBleed 2 is under exploit

The US Cybersecurity and Infrastructure Security Agency has added its weighty name to the list of parties agreeing that CVE-2025-5777, dubbed CitrixBleed 2 by one researcher, has been under exploitati ... Read more

Published Date: Jul 10, 2025 (1 month, 1 week ago)
  • Cyber Security News
PoC Exploits for CitrixBleed2 Flaw Released – Attackers Can Exfiltrate 127 Bytes Per Request

Security researchers have released proof-of-concept exploits for a critical vulnerability dubbed “CitrixBleed2” affecting Citrix NetScaler ADC and Gateway products. The vulnerability, tracked as CVE-2 ... Read more

Published Date: Jul 08, 2025 (1 month, 2 weeks ago)
  • BleepingComputer
Public exploits released for CitrixBleed 2 NetScaler flaw, patch now

Researchers have released proof-of-concept (PoC) exploits for a critical Citrix NetScaler vulnerability, tracked as CVE-2025-5777 and dubbed CitrixBleed2, warning that the flaw is easily exploitable a ... Read more

Published Date: Jul 07, 2025 (1 month, 2 weeks ago)
  • Cyber Security News
“CitrixBleed 2” Vulnerability PoC Released – Warns of Potential Widespread Exploitation

Critical flaw in Citrix NetScaler devices echoes infamous 2023 security breach that crippled major organizations worldwide. The new critical vulnerability in Citrix NetScaler devices has security expe ... Read more

Published Date: Jul 05, 2025 (1 month, 2 weeks ago)
  • Help Net Security
CitrixBleed 2 might be actively exploited (CVE-2025-5777)

While Citrix has observed some instances where CVE-2025-6543 has been exploited on vulnerable NetScaler networking appliances, the company still says that they don’t have evidence of exploitation for ... Read more

Published Date: Jun 30, 2025 (1 month, 3 weeks ago)
  • Daily CyberSecurity
Citrix Bleed 2: ReliaQuest Warns of Active Exploitation in NetScaler Gateway Vulnerability

A newly discovered vulnerability—CVE-2025-5777, now dubbed Citrix Bleed 2—is raising serious security alarms. According to ReliaQuest, attackers are actively exploiting this vulnerability in the wild ... Read more

Published Date: Jun 30, 2025 (1 month, 3 weeks ago)
  • BleepingComputer
Citrix Bleed 2 flaw now believed to be exploited in attacks

A critical NetScaler ADC and Gateway vulnerability dubbed "Citrix Bleed 2" (CVE-2025-5777) is now likely exploited in attacks, according to cybersecurity firm ReliaQuest, seeing an increase in suspici ... Read more

Published Date: Jun 27, 2025 (1 month, 4 weeks ago)
  • The Register
Citrix bleeds again: This time a zero-day exploited - patch now

Hot on the heels of patching a critical bug in Citrix-owned Netscaler ADC and NetScaler Gateway that one security researcher dubbed "CitrixBleed 2," the embattled networking device vendor today issued ... Read more

Published Date: Jun 25, 2025 (1 month, 4 weeks ago)
  • BleepingComputer
New 'CitrixBleed 2' NetScaler flaw let hackers hijack sessions

A recent vulnerability in Citrix NetScaler ADC and Gateway is dubbed "CitrixBleed 2," after its similarity to an older exploited flaw that allowed unauthenticated attackers to hijack authentication se ... Read more

Published Date: Jun 25, 2025 (1 month, 4 weeks ago)
  • Cyber Security News
Citrix NetScaler ADC and Gateway Vulnerability Actively Exploited in the Wild

Cloud Software Group has issued an urgent security advisory warning customers about a critical memory overflow vulnerability in NetScaler ADC and Gateway products, which could enable denial-of-service ... Read more

Published Date: Jun 25, 2025 (1 month, 4 weeks ago)
  • The Hacker News
Citrix Bleed 2 Flaw Enables Token Theft; SAP GUI Flaws Risk Sensitive Data Exposure

Data Privacy / Vulnerability Cybersecurity researchers have detailed two now-patched security flaws in SAP Graphical User Interface (GUI) for Windows and Java that, if successfully exploited, could ha ... Read more

Published Date: Jun 25, 2025 (1 month, 4 weeks ago)
  • The Register
Don't panic, but it's only a matter of time before critical 'CitrixBleed 2' is under attack

Citrix patched a critical vulnerability in its NetScaler ADC and NetScaler Gateway products that is already being compared to the infamous CitrixBleed flaw exploited by ransomware gangs and other cybe ... Read more

Published Date: Jun 24, 2025 (1 month, 4 weeks ago)
  • TheCyberThrone
CVE-2025-5777 – Critical Citrix NetScaler Vulnerability

CVE-2025-5777 is a critical out-of-bounds read vulnerability discovered in Citrix NetScaler ADC and NetScaler Gateway. This flaw allows unauthenticated remote attackers to access sensitive memory cont ... Read more

Published Date: Jun 24, 2025 (2 months ago)
  • Dark Reading
Citrix Patches Critical Vulns in NetScaler ADC and Gateway

Source: Vladimir Sotnichenko via Alamy Stock PhotoNEWS BRIEFCitrix has fixed a critical vulnerability, tracked as CVE-2025-5777, found within NetScaler ADC and NetScaler Gateway.The vulnerability, ass ... Read more

Published Date: Jun 23, 2025 (2 months ago)
  • Help Net Security
Critical Citrix NetScaler bug fixed, upgrade ASAP! (CVE-2025-5777)

Citrix has fixed a critical vulnerability (CVE-2025-5777) in NetScaler ADC and NetScaler Gateway reminiscent of the infamous and widely exploited CitrixBleed flaw. The vulnerabilities have been privat ... Read more

Published Date: Jun 23, 2025 (2 months ago)

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2023-4966 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Modified Analysis by [email protected]

    Mar. 13, 2025

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Feb. 13, 2025

    Action Type Old Value New Value
    Changed 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.  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.
  • CVE Modified by [email protected]

    Feb. 03, 2025

    Action Type Old Value New Value
    Changed 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.  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. 
  • Modified Analysis by [email protected]

    Jan. 27, 2025

    Action Type Old Value New Value
    Changed 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.  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. 
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/175323/Citrix-Bleed-Session-Token-Leakage-Proof-Of-Concept.html
    Added Reference https://support.citrix.com/article/CTX579459
  • CVE Modified by [email protected]

    Nov. 21, 2024

    Action Type Old Value New Value
    Changed 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.  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. 
  • Modified Analysis by [email protected]

    Aug. 14, 2024

    Action Type Old Value New Value
    Changed 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.  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. 
  • CVE Modified by [email protected]

    Aug. 02, 2024

    Action Type Old Value New Value
    Changed 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.  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. 
  • Modified Analysis by [email protected]

    Jun. 17, 2024

    Action Type Old Value New Value
    Changed 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.  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. 
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Feb. 29, 2024

    Action Type Old Value New Value
    Changed 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.  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. 
  • Modified Analysis by [email protected]

    Jan. 09, 2024

    Action Type Old Value New Value
    Changed 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.  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. 
    Changed Reference Type http://packetstormsecurity.com/files/175323/Citrix-Bleed-Session-Token-Leakage-Proof-Of-Concept.html No Types Assigned http://packetstormsecurity.com/files/175323/Citrix-Bleed-Session-Token-Leakage-Proof-Of-Concept.html Third Party Advisory, VDB Entry
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Changed 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.  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. 
  • CVE Modified by [email protected]

    Oct. 25, 2023

    Action Type Old Value New Value
    Changed 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.  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. 
    Added Reference http://packetstormsecurity.com/files/175323/Citrix-Bleed-Session-Token-Leakage-Proof-Of-Concept.html [No Types Assigned]
  • Initial Analysis by [email protected]

    Oct. 18, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type https://support.citrix.com/article/CTX579459 No Types Assigned https://support.citrix.com/article/CTX579459 Vendor Advisory
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:* versions from (including) 12.1 up to (excluding) 12.1-55.300 *cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:ndcpp:*:*:* versions from (including) 12.1 up to (excluding) 12.1-55.300 *cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:* versions from (including) 13.0 up to (excluding) 13.0-92.19 *cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:* versions from (including) 13.1 up to (excluding) 13.1-37.164 *cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:* versions from (including) 13.1 up to (excluding) 13.1-49.15 *cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:* versions from (including) 14.1 up to (excluding) 14.1-8.50 *cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:* versions from (including) 13.0 up to (excluding) 13.0-92.19 *cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:* versions from (including) 13.1 up to (excluding) 13.1-49.15 *cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:* versions from (including) 14.1 up to (excluding) 14.1-8.50
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 9.4
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

94.30 }} -0.00%

score

0.99936

percentile