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CVE-2004-0459
The Clear Channel Assessment (CCA) algorithm in the IEEE 802.11 wireless protocol, when using DSSS transmission encoding, allows remote…
Medium5.0EPSS 2.3%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 2.3% · top 16% of all CVEs (2 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (8)
- http://support.avaya.com/elmodocs2/security/ASA-2004-009.pdf (opens in a new tab)x_refsource_MISCx_transferred
- 20040513 802.11b (others) single packet DoS (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- 16034 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 1010152 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- AA-2004.02 (opens in a new tab)third-party-advisoryx_refsource_AUSCERTx_transferred
- VU#106678 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- ieee80211-cca-dos(16138) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 10342 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .