CVE-2020-23622
4thline cling uPnP protocol issue can lead to denial of service
7.5
HIGH
CVSS 3.1
EPSS 0.56%
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.
How to fix CVE-2020-23622
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- —no fix listed
Is CVE-2020-23622 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 2.0.0, <= 2.1.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |