Certain Cypress (and Broadcom) Wireless Combo chips, when a January 2021 firmware update is not present, allow memory access via a "Spectra" attack
Published Nov 10, 2024
5.5
MEDIUMCVSS 3.1
EPSS 0.39%
Description
Certain Cypress (and Broadcom) Wireless Combo chips, when a January 2021 firmware update is not present, allow memory access via a "Spectra" attack.
Affected products
No data.
No data.
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.
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Nov 26, 2024 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2024–2026- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (5 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.39% (0.00389) | 30.66th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.37% (0.00374) | 28.93th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.06% (0.00057) | 14.92th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00045) | 17.70th | v3 (v2023.03.01) |
| Nov 11, 2024 | 0.04% (0.00045) | 16.80th | v3 (v2023.03.01) |
References (4)
- https://bugzilla.redhat.com/show_bug.cgi?id=2052676
- https://github.com/RPi-Distro/bluez-firmware/commit/8445a53ce2c51a77472b908a0c8f6f8e1fa5c37a
- https://www.informatik.tu-darmstadt.de/fb20/aktuelles_fb20/fb20_neuigkeiten/neuigkeiten_fb20_details_203136.de.jsp
- https://www.informatik.tu-darmstadt.de/seemoo/team_seemoo/jiska_classen/index.en.jsp
Change history (0)
No recorded changes yet.