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Amazon has seen a threat actor exploiting CVE-2025-20337 and CVE-2025-5777, two critical Cisco and Citrix vulnerabilities, as zero-days.
The post Cisco ISE, CitrixBleed 2 Vulnerabilities Exploited as Zero-Days: Amazon appeared first on SecurityWeek.
Amazon warns that an advanced threat actor exploited zero-days in Cisco ISE and Citrix NetScaler to deploy custom malware. Amazon’s threat intelligence researchers spotted an advanced threat actor exploiting two previously undisclosed zero-day flaws in Cisco Identity Service Engine (ISE) and Citrix NetScaler ADC to deliver custom malware. Attackers also exploited multiple undisclosed vulnerabilities. Amazon’s […]
CISA has added three actively exploited vulnerabilities in Citrix and Git to its KEV Catalogue. Federal agencies must…
Over 28,200 Citrix NetScaler ADC/Gateway instances remain exposed to critical RCE flaw CVE-2025-7775, already under active exploitation. Experts at the Shadowserver Foundation warn that more than 28,200 Citrix instances are vulnerable to the vulnerability CVE-2025-7775, which is under active exploitation. CVE-2025-7775 (CVSS score: 9.2) is a memory overflow vulnerability leading to Remote Code Execution and/or Denial-of-Service. […]
U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Citrix NetScaler flaw to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added Citrix NetScaler flaw, tracked as CVE-2025-7775, to its Known Exploited Vulnerabilities (KEV) catalog. This week, Citrix addressed three security flaws (CVE-2025-7775, CVE-2025-7776, CVE-2025-8424) in NetScaler ADC and NetScaler Gateway, including one (CVE-2025-7775) that it […]
Zero-day exploited in the wild forces Citrix and CISA to push emergency patch deadlines for federal agencies.
The post Citrix Patches Exploited NetScaler Zero-Day appeared first on SecurityWeek.
Citrix addressed three vulnerabilities in NetScaler ADC and NetScaler Gateway, including one that has been actively exploited in the wild. Citrix addressed three security flaws (CVE-2025-7775, CVE-2025-7776, CVE-2025-8424) in NetScaler ADC and NetScaler Gateway, including one (CVE-2025-7775) that it said has been actively exploited in the wild. “Exploits of CVE-2025-7775 on unmitigated appliances have been observed.” […]
Three new vulnerabilities affecting (Citrix) NetScaler application delivery controller (ADC) and Gateway devices have been made public, one of which (CVE-2025-7775) has been targeted in zero-day attacks. “Exploits of CVE-2025-7775 on unmitigated …
FortiGuard Labs has reported a dramatic spike in exploitation attempts targeting Citrix Bleed 2, a critical buffer over‑read flaw (CVE‑2025‑5777) affecting Citrix NetScaler ADC (Application Delivery Controller) and Gateway devices. Since July 28, 2025,…
Citrix has released two new offerings to help enterprises provide secure application access for their entire workforce amid an evolving threat landscape. The first is its post-quantum cryptography (PQC) solution for NetScaler which addresses the emergi…