In our recent update to our announcement of CVE 2025-5777, we noted that on July 10, 2025, CISA added CVE-2025-5777 to its Known Exploited Vulnerabilities Catalog. To help customers assess their security posture, we've provided additional guidance below. In unpatched appliances, if attempts to exploit or scan for CVE-2025-5777 have taken place, then there may be some … [Read more...] about Evaluating NetScaler logs for indicators of attempted exploitation of CVE-2025-5777
NetScaler security updates
NetScaler ADC achieves certification for DoDIN Approved Products List
NetScaler MPX 9100 FIPS and 8900 FIPS release version 13.1, has achieved certification to be on the Department of Defense Information Network Approved Products List (DoDIN APL). The DoDIN APL is a U.S. military compliance framework. The purpose of the Approved Products List is to maintain a consolidated list of products that have passed both Interoperability and … [Read more...] about NetScaler ADC achieves certification for DoDIN Approved Products List
NetScaler Critical Security Updates for CVE-2025-6543 and CVE-2025-5777
Critical updates indicated with gray shading, added July 11, 2025 July 11, 2025 Critical Update: At the time Cloud Software Group announced CVE-2025-5777, there was no evidence to suggest exploitation of CVE-2025-5777. Subsequently, on July 10, 2025, CISA added CVE-2025-5777 to its Known Exploited Vulnerabilities Catalog. As noted in our June 26, 2025 blog article below and … [Read more...] about NetScaler Critical Security Updates for CVE-2025-6543 and CVE-2025-5777
Critical severity update announced for NetScaler Gateway and NetScaler
Cloud Software Group released builds on June 25, 2025, to address one security vulnerability. NetScaler Gateway is affected by CVE 2025-6543, which has a CVSS score of 9.3. CVE 2025-6543 impacts NetScaler Gateway and NetScaler. The vulnerability is a memory safety vulnerability which may lead to memory corruption and Denial of Service on NetScaler appliances. An indication … [Read more...] about Critical severity update announced for NetScaler Gateway and NetScaler
Critical security updates for NetScaler, NetScaler Gateway, and NetScaler Console
Cloud Software Group released builds on June 17, 2025, to address three security vulnerabilities. NetScaler Gateway is affected by CVE 2025-5777, which has a CVSS score of 9.3. CVE 2025-5349 impacts all NetScaler form-factors (CVSS 8.7), CVE 2025-4365 impacts on-premises NetScaler Console (CVSS 6.9). CVE 2025-5777 is a critical severity vulnerability impacting NetScaler … [Read more...] about Critical security updates for NetScaler, NetScaler Gateway, and NetScaler Console