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
Published May 20, 2004
5.0
MEDIUMCVSS 2.0
EPSS 2.34%
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.
Affected products
No data.
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.34% (0.02336) | 82.96th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.34% (0.02336) | 81.30th | v5 (v2026.06.15) |
| Mar 17, 2025 | 3.97% (0.03972) | 87.61th | v4 (v2025.03.14) |
| Dec 17, 2024 | 6.73% (0.06731) | 93.77th | v3 (v2023.03.01) |
| Jun 4, 2024 | 9.64% (0.09637) | 94.79th | v3 (v2023.03.01) |
| Apr 27, 2023 | 7.81% (0.07807) | 93.22th | v3 (v2023.03.01) |
| Mar 7, 2023 | 11.38% (0.11381) | 94.28th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.41% (0.01408) | 72.89th | v2 (v2022.01.01) |
| Mar 2, 2023 | 1.41% (0.01408) | 72.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.41% (0.01408) | 70.87th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.41% (0.01408) | 49.94th | v2 (v2022.01.01) |
No CWE recorded.
References (8)
- http://archives.neohapsis.com/archives/fulldisclosure/2004-05/0631.html mailing-listx_refsource_FULLDISC
- http://securitytracker.com/id?1010152 vdb-entryx_refsource_SECTRACK
- http://support.avaya.com/elmodocs2/security/ASA-2004-009.pdf x_refsource_MISC
- http://www.auscert.org.au/render.html?it=4091 third-party-advisoryx_refsource_AUSCERTVendor Advisory
- http://www.kb.cert.org/vuls/id/106678 third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government Resource
- http://www.osvdb.org/16034 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/bid/10342 vdb-entryx_refsource_BID
- https://exchange.xforce.ibmcloud.com/vulnerabilities/16138 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://archives.neohapsis.com/archives/fulldisclosure/2004-05/0631.html | mailing-listx_refsource_FULLDISC | |
| http://securitytracker.com/id?1010152 | vdb-entryx_refsource_SECTRACK | |
| http://support.avaya.com/elmodocs2/security/ASA-2004-009.pdf | x_refsource_MISC | |
| http://www.auscert.org.au/render.html?it=4091 | third-party-advisoryx_refsource_AUSCERTVendor Advisory | |
| http://www.kb.cert.org/vuls/id/106678 | third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government Resource | |
| http://www.osvdb.org/16034 | vdb-entryx_refsource_OSVDB | |
| http://www.securityfocus.com/bid/10342 | vdb-entryx_refsource_BID | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/16138 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.