High severity7.5NVD Advisory· Published Jun 18, 2021· Updated Jun 17, 2026
CVE-2021-33818
CVE-2021-33818
Description
An issue was discovered in UniFi Protect G3 FLEX Camera Version UVC.v4.30.0.67. Attackers can use slowhttptest tool to send incomplete HTTP request, which could make server keep waiting for the packet to finish the connection, until its resource exhausted. Then the web server is denial-of-service.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- UniFi/Protect G3 FLEX Cameradescription
- Range: = UVC.v4.30.0.67
Patches
Vulnerability mechanics
References
2- github.com/Jian-Xian/CVE-POC/blob/master/CVE-2021-33818.mdnvdExploitThird Party Advisory
- store.ui.com/collections/unifi-protect-cameras/products/unifi-video-g3-flex-cameranvdProductVendor Advisory
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