4thline cling uPnP protocol issue can lead to denial of service

HOCH 7.5CVE-2020-23622 · GHSA-c438-6f6r-pg8w · Published 15/08/2022 · updated 17/06/2026

Kurz gesagt

CVE-2020-23622 ist eine Schwachstelle (HOCH (CVSS 7.5)) in org.fourthline.cling:cling-core, cling (cling project).
Wahrscheinlichkeit einer Ausnutzung in den nächsten 30 Tagen (EPSS): 1.2%, höher als bei 67.2% aller Schwachstellen.
Noch keine gepatchte Version bekannt: Herstellerhinweise unter Referenzen verfolgen.

Package	Affected versions	Patched versions
org.fourthline.cling:cling-core Maven	`≥ 2.0.0, ≤ 2.1.2`	No fix yet
cling cling_project	`≥ 2.0.0, ≤ 2.1.2`	No fix yet

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. As of 2022, 4thline cling is no longer supported by the maintainers.

NVD 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

References

nvd.nist.gov/vuln/detail/CVE-2020-23622 · ADVISORY
4thline/cling · WEB
4thline/cling · PACKAGE
zh-cn.tenable.com/blog/cve-2020-12695-callstranger-vulnerability-in-universal-plug-and-play-upnp-puts-billions-of · WEB

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