CVE-2004-0459

CVE-2004-0459 is a medium-severity vulnerability in Ieee 802.11 Wireless Protocol with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

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.

Frequently asked questions

What is CVE-2004-0459?
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.
How severe is CVE-2004-0459?
CVE-2004-0459 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2004-0459 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-0459?
CVE-2004-0459 affects Ieee 802.11 Wireless Protocol. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2004-0459?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2004-0459 published?
CVE-2004-0459 was published on 2004-07-07 and last updated on 2026-06-16.

References

Affected products (1)