TI-2020-14621 Aliases CVE-2020-23622 GHSA-c438-6f6r-pg8w

An issue in the UPnP protocol in 4thline cling 2.0.0 through 2.1.2 allows remote…

LOW 35CWE-918Published 2022-08-15 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-918 and the CVSS impact.

Summary

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

Why it matters now

EPSS 0.01156 67th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA
—	org.fourthline.cling:cling-core (Maven)	2.0.0 – 2.1.2	—	No fix listed	GHSA-c438-6f6r-pg8w

— Vendor— Affected all versions Fixed in — No fix listed CNA
org.fourthline.cling:cling-core (Maven) Vendor— Affected 2.0.0 – 2.1.2 Fixed in — No fix listed GHSA-c438-6f6r-pg8w

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:cling_project:cling::::::::	2.0.0 – 2.1.2	Vulnerable	Cling Project

cpe:2.3:a:cling_project:cling:*:*:*:*:*:*:*:* Versions 2.0.0 – 2.1.2 Vulnerable ·Cling Project

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-23622
2026-10-03 Alias added: GHSA-c438-6f6r-pg8w

References

Exploit 1

https://github.com/4thline/cling/issues/253

Advisory 1

https://nvd.nist.gov/vuln/detail/CVE-2020-23622

Other 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences