Search: “Citrix NetScaler”

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CategoryAll Exploit / PoC 69 Vulnerability 67 Ransomware 58 Threat actor 16 Data breach 13 Industry 9 Malware 6 Policy & legal 4 Advisory 2 AI tools & infra 2 Model release 2 Phishing & fraud 1 AI safety & security 1

SeverityAll critical 184 high 49 medium 5 low 5 info 7

FIN8-linked actor targets Citrix NetScaler systems

Security AffairsAug 29, 15:14 UTC · Aug 29, 2023Ransomware CVE-2023-3519

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U.S. CISA adds Citrix NetScaler flaw to its Known Exploited Vulnerabilities catalog

Security AffairsJun 30, 18:51 UTC · Jun 30, 2025Exploit / PoC in the wildCVE-2025-6543 CVE-2023-6548 CVE-2023-6549

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Large-scale Citrix NetScaler Gateway credential harvesting campaign exploits CVE-2023

Security AffairsOct 9, 22:02 UTC · Oct 9, 2023Threat actor in the wildCVE-2023-3519

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Citrix NetScaler Under Active Recon for CVE-2026

The Hacker NewsMar 31, 06:09 UTC · Mar 31, 2026Exploit / PoC in the wildCVE-2026-3055 CVE-2023-4966 CVE-2025-5777+2 CVEs

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Threat actors have been exploiting CVE-2023-4966 in Citrix NetScaler ADC/Gateway devices since August

Security AffairsOct 18, 13:56 UTC · Oct 18, 2023Vulnerability in the wildCVE-2023-4966 CVE-2023-3519

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Citrix NetScaler zero-day exploited in the wild, patch is available (CVE-2023-3519)

Help Net SecurityJul 21, 11:15 UTC · Jul 21, 2023Exploit / PoC in the wildCVE-2023-3519 CVE-2023-3466 CVE-2023-3467+2 CVEs

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Approximately 2000 Citrix NetScaler servers were backdoored in massive campaign

Security AffairsAug 16, 07:20 UTC · Aug 16, 2023Malware in the wildCVE-2023-3519

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CISA adds Chrome and Citrix NetScaler to its Known Exploited Vulnerabilities catalog

Security AffairsJan 18, 19:07 UTC · Jan 18, 2024Exploit / PoC in the wildCVE-2023-6548 CVE-2023-6549 CVE-2024-0519

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New Ransomware Campaign Targets Citrix NetScaler Flaw

Infosecurity MagazineAug 29, 16:30 UTC · Aug 29, 2023Ransomware CVE-2023-3519

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CISA Adds Citrix NetScaler CVE-2025-5777 to KEV Catalog as Active Exploits Target Enterprises

The Hacker NewsJul 18, 04:54 UTC · Jul 18, 2025Exploit / PoC in the wildCVE-2025-5777 CVE-2023-4966 CVE-2025-6543+1 CVEs

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Week in review: VirusTotal data leak, Citrix NetScaler zero-day exploitation

Help Net SecurityJul 23, 00:00 UTC · Jul 23, 2023Exploit / PoC in the wildCVE-2023-3519 CVE-2023-29298 CVE-2023-38203+3 CVEs

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Ransomware group exploits Citrix NetScaler systems for initial access

Help Net SecurityAug 29, 00:00 UTC · Aug 29, 2023Ransomware in the wildCVE-2023-3519

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Citrix NetScaler Alert: Ransomware Hackers Exploiting Critical Vulnerability

The Hacker NewsAug 30, 03:26 UTC · Aug 30, 2023Ransomware CVE-2023-3519

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CISA warns of attacks against Citrix NetScaler ADC and Gateway Devices

Security AffairsJul 21, 20:01 UTC · Jul 21, 2023Advisory in the wildCVE-2023-3519

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Citrix NetScaler customers hit by third actively exploited zero

CyberScoopAug 26, 21:28 UTC · Aug 26, 2025Ransomware in the wildCVE-2025-7775 CVE-2025-7776 CVE-2025-8424+3 CVEs

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U.S. CISA adds a flaw in Citrix NetScaler to its Known Exploited Vulnerabilities catalog

Security AffairsMar 31, 09:31 UTC · Mar 31, 2026Exploit / PoC in the wildCVE-2026-3055 CVE-2023-4966 CVE-2026-4368

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U.S. CISA adds Citrix NetScaler ADC and Gateway flaw to its Known Exploited Vulnerabilities catalog

Security AffairsJul 15, 23:33 UTC · Jul 15, 2025Exploit / PoC in the wildCVE-2025-5777 CVE-2023-4966 CVE-2025-5349

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Citrix NetScaler bug exploited in the wild since August (CVE-2023-4966)

Help Net SecurityOct 30, 09:56 UTC · Oct 30, 2023Exploit / PoC in the wildCVE-2023-4966 CVE-2023-3519

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U.S. CISA adds Citrix NetScaler flaw to its Known Exploited Vulnerabilities catalog

Security AffairsAug 27, 18:20 UTC · Aug 27, 2025Exploit / PoC in the wildCVE-2025-7775 CVE-2025-7776 CVE-2025-8424

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Dutch NCSC: Citrix NetScaler zero

Security AffairsAug 12, 17:45 UTC · Aug 12, 2025Exploit / PoC in the wildCVE-2025-6543

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Amazon alerts: advanced threat actor exploits Cisco ISE & Citrix NetScaler zero

Security AffairsNov 13, 08:43 UTC · Nov 13, 2025Threat actor in the wildCVE-2025-5777 CVE-2025-20337

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Amazon Uncovers Attacks Exploited Cisco ISE and Citrix NetScaler as Zero

The Hacker NewsNov 15, 00:00 UTC · Nov 15, 2025Exploit / PoC in the wildCVE-2025-5777 CVE-2025-20337

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Citrix NetScaler ADC and Gateway Devices Under Attack: CISA Urges Immediate Action

The Hacker NewsSep 7, 03:22 UTC · Sep 7, 2023Exploit / PoC in the wildCVE-2023-3519

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Dutch NCSC Confirms Active Exploitation of Citrix NetScaler CVE-2025

The Hacker NewsAug 12, 08:36 UTC · Aug 12, 2025Exploit / PoC in the wildCVE-2025-6543 CVE-2025-5777

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Critical Citrix NetScaler Vulnerability Exploited in the Wild

Infosecurity MagazineMar 30, 10:45 UTC · Mar 30, 2026Exploit / PoC in the wildCVE-2026-3055

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CISA tells federal agencies to patch Citrix NetScaler bug by Thursday

The RecordMar 31, 13:06 UTC · Mar 31, 2026Vulnerability CVE-2026-3055 CVE-2025-5777

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Critical Citrix NetScaler bug fixed, upgrade ASAP! (CVE-2025-5777)

Help Net SecurityJun 25, 18:15 UTC · Jun 25, 2025Vulnerability in the wildCVE-2025-5777 CVE-2023-4966 CVE-2025-5349+1 CVEs

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PoC exploits for Citrix ADC and Gateway CVE-2019

Security AffairsJan 11, 16:00 UTC · Jan 11, 2020Exploit / PoC CVE-2019-19781

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CVE-2019-19781 Citrix flaw exposes 80,000 companies at risk

Security AffairsDec 23, 21:48 UTC · Dec 23, 2019Vulnerability CVE-2019-19781

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Nearly 2,000 Citrix NetScaler Instances Hacked via Critical Vulnerability

The Hacker NewsAug 15, 00:00 UTC · Aug 15, 2023Vulnerability in the wildCVE-2023-3519

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Mass-Exploitation Campaign Targets Citrix NetScalers With Backdoors

Infosecurity MagazineAug 16, 17:00 UTC · Aug 16, 2023Malware CVE-2023-3519

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Pennsylvania attorney general says cyberattack knocked phone, email systems offline

The RecordAug 13, 12:40 UTC · Aug 13, 2025Data breach CVE-2025-5777 CVE-2025-5349 CVE-2025-6543

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Hundreds of Citrix NetScaler ADC and Gateway Servers Hacked in Major Cyber Attack

The Hacker NewsAug 8, 03:59 UTC · Aug 8, 2023Data breach CVE-2023-3519 CVE-2023-24489

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Citrix NetScaler critical flaw could leak data, update now

Security AffairsMar 24, 12:46 UTC · Mar 24, 2026Exploit / PoC in the wildCVE-2026-3055 CVE-2023-4966 CVE-2026-4368

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Experts warn of ongoing scans for Citrix servers affected by CVE-2019

Security AffairsJan 9, 21:34 UTC · Jan 9, 2020Vulnerability in the wildCVE-2019-19781

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Critical Citrix NetScaler Flaw Exploited to Target from Government, Tech Firms

The Hacker NewsOct 18, 12:27 UTC · Oct 18, 2023Exploit / PoC in the wildCVE-2023-4966

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Urgent Alert: NetScaler bug CVE-2026-3055 probed by attackers could leak sensitive data

Security AffairsMar 29, 13:33 UTC · Mar 29, 2026Vulnerability in the wildCVE-2026-3055 CVE-2023-4966

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CitrixBleed 2 beckons sweeping alarm as exploits spread across the globe

CyberScoopJul 14, 21:46 UTC · Jul 14, 2025Exploit / PoC in the wildCVE-2025-5777 CVE-2023-4966

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Researchers Share CitrixBleed 2 Detection Analysis After Initial Hold

Infosecurity MagazineJul 7, 14:00 UTC · Jul 7, 2025Exploit / PoC CVE-2025-5777 CVE-2025-5349

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Citrix Patches Six NetScaler Flaws Allowing File Read and Denial-of

The Hacker NewsJul 2, 15:49 UTC · Jul 2, 2026Vulnerability in the wildCVE-2026-8451 CVE-2026-8452 CVE-2026-8655+4 CVEs

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