CVE-2020-23622

PoC —

CVSS 3.1

7.5 high

EPSS

1%p64

Published

Aug 15, 2022 (Aug 15, 2022)

Modified

Jun 17, 2026

Description

An issue in the UPnP protocol in 4thline cling 2.0.0 through 2.1.2 allows remote attackers to cause a denial of service via an unchecked CALLBACK parameter in the request header

Vendors: cling project
Products: cling
Weakness: CWE-918
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (1.1%)

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