VULNERABILITY INTELLIGENCE

CVE-2004-0459

CVSS score5 MEDIUM
EPSS probability2.34%
CISA KEVNot currently listed
Published2004-07-07
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:P

Description

The Clear Channel Assessment (CCA) algorithm in the IEEE 802.11 wireless protocol, when using DSSS transmission encoding, allows remote attackers to cause a denial of service via a certain RF signal that causes a channel to appear busy (aka "jabber"), which prevents devices from transmitting data.

Primary references