CVE-2021-33818

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.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/Jian-Xian/CVE-POC/blob/master/CVE-2021-33818.md	Exploit Third Party Advisory
https://github.com/shekyan/slowhttptest	Third Party Advisory
https://store.ui.com/collections/unifi-protect-cameras/products/unifi-video-g3-flex-camera	Product Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:ui:camera_g3_flex_firmware:uvc.v4.30.0.67:*:*:*:*:*:*:*

cpe:2.3:h:ui:camera_g3_flex:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-06-18 19:15

Updated : 2024-02-28 18:28

NVD link : CVE-2021-33818

Mitre link : CVE-2021-33818

CVE.ORG link : CVE-2021-33818

JSON object : View

Products Affected

ui

camera_g3_flex
camera_g3_flex_firmware

CWE

CWE-400

Uncontrolled Resource Consumption

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