CVE-1999-0530

A system is operating in "promiscuous" mode which allows it to perform packet sniffing

published February 4, 2000

CVSS
—
EPSS
2%
Percentile
79.4
In the wild
Unconfirmed
What it is

⚠️ Your network might be eavesdropping without you even knowing! When a system operates in "promiscuous" mode, it can capture all packet data flowing through the network. 😱 Think of it like a party where everyone's sharing secrets, but one sneaky guest has their ear pressed against the door, listening to everything. That's what packet sniffing does; it allows anyone in that mode to catch all the whispers in digital communication! An attacker could potentially intercept sensitive data such as passwords, personal information, or confidential communications, simply by being on the same network segment. This could lead to data breaches or unauthorized access to sensitive resources, creating chaos and jeopardizing security!

Put simply

Think of it like a party where everyone's sharing secrets, but one sneaky guest has their ear pressed against the door, listening to everything. That's what packet sniffing does; it allows anyone in that mode to catch all the whispers in digital communication! Promiscuous mode is a configuration that allows a network device to accept all packets it sees, regardless of their destination. This can enable unauthorized users to perform packet sniffing, capturing unencrypted data flowing through the network.

What to do

An attacker could potentially intercept sensitive data such as passwords, personal information, or confidential communications, simply by being on the same network segment. This could lead to data breaches or unauthorized access to sensitive resources, creating chaos and jeopardizing security! Review your network devices and ensure that promiscuous mode is disabled unless absolutely necessary for troubleshooting. Regularly monitor your network traffic, and consider implementing encryption to protect sensitive data transmissions. You’ve got this! Stay vigilant and make sure your network is secure. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01891 · 79.4th percentile
Published
2000-02-04T05:00Z
EPSS history
Timeline
  • 04 FEB 05:00Z
    A system is operating in "promiscuous" mode which allows it to perform packet sniffing
    cvelistv5