Amazon has seen a threat actor exploiting CVE-2025-20337 and CVE-2025-5777, two critical Cisco and Citrix vulnerabilities, as zero-days.
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Citrix Patches Exploited NetScaler Zero-Day
Zero-day exploited in the wild forces Citrix and CISA to push emergency patch deadlines for federal agencies.
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CitrixBleed 2: 100 Organizations Hacked, Thousands of Instances Still Vulnerable
The CitrixBleed 2 vulnerability in NetScaler may expose organizations to compromise even if patches have been applied.
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CitrixBleed 2 Flaw Poses Unacceptable Risk: CISA
CISA considers the recently disclosed CitrixBleed 2 vulnerability an unacceptable risk and has added it to the KEV catalog.
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Thousands of Citrix NetScaler Instances Unpatched Against Exploited Vulnerabilities
Many Citrix NetScaler systems are exposed to attacks exploiting the vulnerabilities tracked as CVE-2025-5777 and CVE-2025-6543.
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Evidence Suggests Exploitation of CitrixBleed 2 Vulnerability
The Citrix NetScaler vulnerability tracked as CitrixBleed 2 and CVE-2025–5777 may be exploited in the wild for initial access.
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Critical Citrix NetScaler Flaw Exploited as Zero-Day
Citrix has released patches for a critical vulnerability in NetScaler ADC and NetScaler Gateway exploited as a zero-day.
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Critical Vulnerability Patched in Citrix NetScaler
Citrix has released patches for critical- and high-severity vulnerabilities in NetScaler and Secure Access Client and Workspace for Windows.
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Citrix Patches Critical NetScaler Console Vulnerability
Citrix rolls out patches for multiple security vulnerabilities, including critical and high-severity issues in the NetScaler product line.
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Citrix Warns NetScaler ADC Customers of New Zero-Day Exploitation
Citrix is aware of attacks exploiting two new NetScaler ADC and Gateway zero-day vulnerabilities tracked as CVE-2023-6548 and CVE-2023-6549.
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