Remote Code Execution Vulnerabilities in Netscaler Gateway and NVR DVR
First seen 23 Feb 2026, 01:09 UTC
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Netscaler Gateway (CVE-2023-3519) and QVIS NVR DVR (CVE-2021-41419) are both affected by Remote Code Execution vulnerabilities. The Netscaler Gateway vulnerability was published on July 19, 2023, and is currently being actively exploited. The NVR DVR vulnerability was published on July 17, 2022, and affects devices prior to December 13, 2021.
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Timeline
2022-07-17
CVE-2021-41419 published
2023-07-19
CVE-2023-3519 published
2023-07-19
CVE-2023-3519 added to CISA KEV (active exploitation)
2023-07-20
First public PoC for CVE-2023-3519