CVE-2020-23622 4thline cling uPnP protocol issue can lead to denial of service
Remote attackers can cause denial of service in the cling UPnP library via an unchecked CALLBACK parameter in request headers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-23622?
CVE-2020-23622 is a high-severity server-side request forgery vulnerability in n/a, published on 15 Aug 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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
Weakness: CWE-918
Which versions are affected by CVE-2020-23622?
2 open source packages ship an affected version, including org.fourthline.cling:cling-core. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.fourthline.cling:cling-core Maven | From 2.0.0 to 2.1.2 | None |
org.fourthline.cling:cling-core Maven | From 2.0.0 to 2.1.2 | None |
Products include Cling Project Cling.
How do I fix CVE-2020-23622?
No fix has been published for CVE-2020-23622 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2020-23622 being exploited?
There is no known exploitation of CVE-2020-23622 in the wild and no public exploit code.
Sources
Also known as GHSA-c438-6f6r-pg8w.