CVE-2021-38447 OCI OpenDDS Secure Amplification
Attackers can cause denial of service in OCI OpenDDS Secure by sending crafted packets that flood target devices with unwanted traffic.
- 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-2021-38447?
CVE-2021-38447 is a high-severity denial of service vulnerability in OCI OpenDDS, published on 5 May 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
OCI OpenDDS versions prior to 3.18.1 are vulnerable when an attacker sends a specially crafted packet to flood target devices with unwanted traffic, which may result in a denial-of-service condition.
Weakness: CWE-405
Which versions are affected by CVE-2021-38447?
It affects 1 product.
Products include Objectcomputing Opendds.
How do I fix CVE-2021-38447?
No fix has been published for CVE-2021-38447 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-2021-38447 being exploited?
There is no known exploitation of CVE-2021-38447 in the wild and no public exploit code.
Other vulnerabilities in OCI OpenDDS
- CVE-2025-67111 Integer overflow in n/a
- CVE-2023-52427 Denial of service in n/a
- CVE-2023-37915 Malformed PID_PROPERTY_LIST parameter in DATA submessage remotely crashes OpenDDS
- CVE-2021-38445 OCI OpenDDS Secure Improper Handling of Length Parameter Inconsistency
- CVE-2021-38429 OCI OpenDDS Secure Network Amplification
Sources
Also known as GHSA-w75x-f9jm-qxx4.