Security alert: Citrix NetScaler ADC and NetScaler Gateway vulnerabilities allow unauthorized access
ID: b6f62bc3-a375-594b-afe9-a133841e917f
STIX ID: report--b6f62bc3-a375-594b-afe9-a133841e917f
Feed Name: Expel Blog
Threat Score
Citrix disclosed two critical NetScaler ADC/Gateway vulnerabilities (CVE-2025-5777 and CVE-2025-6543) that can allow unauthorized access, session hijacking, and deployment of webshells; CVE-2025-6543 has been observed exploited in the wild. The vendor and responders recommend immediate installation of provided updates and use of IOC scanning and investigation guidance to detect possible compromise.
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