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Back
Citrix NetScaler
Vulnerability
Threat entity extracted from intelligence sources
Entities
›
vulnerability
›
Citrix NetScaler
Frequency
24
occurrences
First Seen
November 12, 2025
Last Seen
September 19, 2026
API
Overview
Recent Events
Profile
Profile
MITRE ATT&CK
1 / 2
Exploited By
Fox Kitten
Knaithe/KnYuan
Lemon Sandstorm
Parasite
Pioneer Kitten
Rubidium
Unc757
Akira
INC
Qilin
Associated Malware
DoppelPaymer
Emotet
Mario
Qakbot
Tools Used
FOFA
GLM
Hermes Agent
Claude Code
DeepSeek
Kimi
BeyondTrust
Chrome
Related CVEs
CVE-2026-3055
CVE-2026-21858
CVE-2026-33017
CVE-2026-14894
CVE-2026-15981
CVE-2026-19490
CVE-2026-39987
CVE-2026-53362
MITRE Techniques
T1190 - Exploit Public-Facing Application
T1041 - Exfiltration Over C2 Channel
T1078 - Valid Accounts
T1068 - Exploitation for Privilege Escalation
T1071 - Application Layer Protocol
T1203 - Exploitation for Client Execution
T1003 - OS Credential Dumping
T1005 - Data From Local System
Campaigns
Citrix Bleed
Citrix Bleed 2
Affected Platforms
N8n
Telegram
Windows
Apache Tomcat
WordPress
Qwen
Regions
China
Thailand
United States
Sectors Affected
Government
Healthcare
Financial
Telecommunications
-
REC
Recon
No techniques detected
-
RD
Resource Dev
No techniques detected
4
IA
Initial Access
T1190 - Exploit Public-Facing Application
T1078 - Valid Accounts
T1133 - External Remote Services
T1566.001 - Spearphishing Attachment
2
EX
Execution
T1203 - Exploitation for Client Execution
T1059 - Command and Scripting Interpreter
1
PE
Persistence
T1505.003 - Web Shell
1
PE
Priv Esc
T1068 - Exploitation for Privilege Escalation
1
DE
Defense Evasion
T1036.002 - Right-to-Left Override
3
CA
Cred Access
T1003 - OS Credential Dumping
T1110 - Brute Force
T1552.001 - Credentials In Files
2
DI
Discovery
T1082 - System Information Discovery
T1083 - File And Directory Discovery
1
LM
Lateral Mov
T1021 - Remote Services
1
CO
Collection
T1005 - Data From Local System
2
C2
C2
T1071 - Application Layer Protocol
T1105 - Ingress Tool Transfer
2
EX
Exfil
T1041 - Exfiltration Over C2 Channel
T1567.002 - Exfiltration to Cloud Storage
1
IM
Impact
T1486 - Data Encrypted for Impact
24
techniques detected across
12
tactics
Related Clusters (22)
SonicWall SMA1000 Faces Critical Zero-Day Exploitation
Sep 2
·
178 sources
81
Advanced Threat Actor Exploits Cisco and Citrix Zero-Day Vulnerabilities
Nov 12
·
8 sources
80
Resurgence of Exploitation Attempts on GlobalProtect and CitrixBleed Vulnerabilities
Jul 8
·
2 sources
75
AI Infrastructure Under Siege: Session Hijacking and Exploits Surge
Sep 5
·
5 sources
73
Critical Exploitation of Ruby on Rails Vulnerability CVE-2026-66066 Confirmed
Aug 31
·
5 sources
73
Critical Vulnerabilities in Citrix NetScaler ADC and Gateway Require Immediate Patching
Mar 23
·
30 sources
73
LockBit Ransomware Targets ICBC Financial Services and U.S. Bank
Aug 20
·
10 sources
66
APT Exploits Zero-Day Vulnerabilities in Cisco and Citrix Systems
Nov 18
·
16 sources
63
RansomHouse Targets Namibian Defence Ministry in Cyberattack
Sep 19
·
10 sources
60
DeepSeek AI Used in Autonomous Cyberattack Campaign by Chinese Threat Actor
Aug 2
·
12 sources
60
HTTP Terminator Reveals New Attack Techniques in Cybersecurity Research
Aug 12
·
3 sources
55
Ransomware Attack in Pennsylvania Exposes Personal and Medical Data
Nov 18
·
43 sources
47
Shift in Ransomware Tactics Targeting Cloud Assets
Nov 19
·
56 sources
37
Pennsylvania AG Confirms Ransomware Data Breach by INC Group
Nov 18
·
2 sources
29
Reconnaissance Campaign Targets Citrix NetScaler Infrastructure
Feb 4
·
3 sources
25
Overview of Web Application Firewalls (WAFs) and Their Importance
Sep 15
·
2 sources
25
Citrix NetScaler Memory Leak & RXSS Vulnerability CVE-2025-12101
Nov 12
·
2 sources
24
Cyber Threats: Oracle RCE and Ransomware Attacks Identified
Dec 1
·
2 sources
22
Amazon Reports Exploitation of Cisco ISE and Citrix NetScaler Zero-Days
Nov 13
·
2 sources
20
Chinese Hackers Utilize AI for Cyberattacks on US Companies
Nov 29
·
14 sources
13
Amazon Reports Exploitation of Cisco ISE and Citrix NetScaler Zero-Days
Nov 13
·
4 sources
9
Citrix NetScaler Memory Leak & RXSS Vulnerability CVE-2025-12101
Nov 12
·
2 sources
7
Prev
1 / 5
Next
Related Articles (24)
Breach at Vote 8: What the Attack on the Namibian Defence Establishment Means for National Security
Mountkenyatimes.Co.Ke
·
6d ago
Awesome
Sploitus
·
Sep 11
[SecurityIntel] 05 Sep | Critical RCEs Actively Exploited
Buttondown
·
Sep 5
The Cyber Express Weekly Roundup: Claude Session Hijacking, PaperCut Exploits, and Enterprise Cyberattacks
Thecyberexpress
·
Sep 4
Critical Ruby on Rails Vulnerability in Attackers' Crosshairs
Securityweek
·
Aug 31
ICBC Financial Services
www.resecurity.com
·
Aug 20
The future of AI security research isn’t autonomous, it’s human
Csoonline
·
Aug 11
BleepingComputer summarised the finding
www.bleepingcomputer.com
·
Aug 2
DeepSeek Became the Attack Engine Because It Had the Fewest Guardrails
Forkast.News
·
Aug 1
Unit 42 Ties DeepSeek Agent to 460+ Autonomous Hack Attempts
Aiweekly.Co
·
Aug 1
DeepSeek Ran Autonomous Cyberattacks That Claude and OpenAI Safety Controls Blocked
Techtimes
·
Aug 1
GreyNoise documented active exploitation
www.greynoise.io
·
Jul 6
Citrix NetScaler critical flaw could leak data, update now
Securityaffairs.Co
·
Mar 24
Hackers Actively Scan Citrix NetScaler Infrastructure to Identify Exposed Login Panels
Cyberpress
·
Feb 4
Threat Actors Conduct Widespread Scanning for Exposed Citrix NetScaler Login Pages
Gbhackers
·
Feb 4
AI 2030: The Coming Era of Autonomous Cyber Crime
Msspalert
·
Nov 29
Q3 ransomware activity dominated by three groups, stolen VPN credential use
Scworld
·
Nov 20
Stolen VPN Credentials Most Common Ransomware Attack Vector
Thecyberexpress
·
Nov 20
Pennsylvania AG confirms data breach after INC Ransom attack
Bleepingcomputer
·
Nov 17
17th November
Research.Checkpoint
·
Nov 17
Amazon pins Cisco, Citrix zero
Cyberscoop
·
Nov 12
Is It CitrixBleed4? Well, No. Is It Good? Also, No. (Citrix NetScaler Memory Leak & RXSS ...
Labs.Watchtowr
·
Nov 12
Amazon Uncovers Attacks Exploited Cisco ISE and Citrix NetScaler as Zero
Thehackernews
·
Nov 12
Is It CitrixBleed4? Well, No. Is It Good? Also, No. (Citrix NetScaler Memory Leak & RXSS CVE-2025-12101)
Reddit
·
Nov 12
Prev
1 / 5
Next
Related Entities
Fox Kitten
Knaithe/KnYuan
Lemon Sandstorm
Parasite
Pioneer Kitten
Rubidium
Unc757
Zero-day Exploit
Ransomware
Data Breach
Phishing
Malware