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CVE-2020-17475 Details

Description

Lack of authentication in the network relays used in MEGVII Koala 2.9.1-c3s allows attackers to grant physical access to anyone by sending packet data to UDP port 5000.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://www.trendmicro.com/vinfo/us/threat-encyclopedia/vulnerability/8137/megvii-koala-291c3s-architectural-vulnerability-on-network-relays	CVE	Third Party Advisory
https://www.trendmicro.com/vinfo/us/threat-encyclopedia/vulnerability/8137/megvii-koala-291c3s-architectural-vulnerability-on-network-relays	[email protected]	Third Party Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-306	Missing Authentication for Critical Function	[email protected]

Affected Products

Product	Versions
megvii koala firmware	2.9.1-c3s
CPE cpe:2.3:o:megvii:koala_firmware:2.9.1-c3s:::::::* Remediation No remediation found in references.
megvii koala	All versions
CPE cpe:2.3:h:megvii:koala:-:::::::* Remediation No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Aug 21, 2020	Initial Analysis	[email protected]