CVE-2026-48692
Description
A flaw was found in FastNetMon Community Edition. The gRPC API server, exposed on port 50052, operates without any authentication mechanism. A remote attacker with local network access can exploit this vulnerability to ban arbitrary IP addresses, resulting in a denial of service for legitimate network traffic. Additionally, an attacker can unban active attacks, disabling DDoS mitigation, and trigger the execution of arbitrary scripts.
Statement
Red Hat Product Security has determined that this vulnerability does not affect any currently supported Red Hat product. This assessment may evolve based on further analysis and discovery. For more information about this vulnerability and the products it affects, please see the linked references.
Understanding the Weakness (CWE)
Access Control,Other
Technical Impact: Gain Privileges or Assume Identity; Varies by Context
Exposing critical functionality essentially provides an attacker with the privilege level of that functionality. The consequences will depend on the associated functionality, but they can range from reading or modifying sensitive data, accessing administrative or other privileged functionality, or possibly even executing arbitrary code.
Frequently Asked Questions
Not sure what something means? Check out our Security Glossary.
Want to get errata notifications? Sign up here.
