CVE-2004-0459

high

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.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/16138

http://www.securityfocus.com/bid/10342

http://www.osvdb.org/16034

http://www.kb.cert.org/vuls/id/106678

http://www.auscert.org.au/render.html?it=4091

http://support.avaya.com/elmodocs2/security/ASA-2004-009.pdf

http://securitytracker.com/id?1010152

http://archives.neohapsis.com/archives/fulldisclosure/2004-05/0631.html

Details

Source: Mitre, NVD

Published: 2004-07-07

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.03972