CVE-2021-44429 Denial of service in n/a
Remote attackers can crash the Serva TFTP server daemon by sending a specific read request, causing a denial of service.
- 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-2021-44429?
CVE-2021-44429 is a high-severity denial of service vulnerability in n/a, published on 29 Nov 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Serva 4.4.0 allows remote attackers to cause a denial of service (daemon crash) via a TFTP read (RRQ) request, aka opcode 1, a related issue to CVE-2013-0145.
Weakness: CWE-120
Which versions are affected by CVE-2021-44429?
It affects 1 product.
Products include Vercot Serva.
How do I fix CVE-2021-44429?
No fix has been published for CVE-2021-44429 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2021-44429 being exploited?
There is no known exploitation of CVE-2021-44429 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-vj55-m9gh-hjm2.