CVE-2020-10370 — Certain Cypress (and Broadcom) Wireless Combo chips such as CYW43455, when a 202

Certain Cypress (and Broadcom) Wireless Combo chips such as CYW43455, when a 2021-01-26 Bluetooth firmware update is not present, allow a Bluetooth outage via a "Spectra" attack.

01What is this vulnerability?

Certain Cypress (and Broadcom) Wireless Combo chips such as CYW43455, when a 2021-01-26 Bluetooth firmware update is not present, allow a Bluetooth outage via a "Spectra" attack.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2024-11-10T00:00:00.000Z
• Last modified: 2025-01-27T17:54:31.193Z

09References

• www.informatik.tu-darmstadt.de — https://www.informatik.tu-darmstadt.de/seemoo/team_seemoo/jiska_classen/index.en…
• github.com — https://github.com/RPi-Distro/bluez-firmware/commit/8445a53ce2c51a77472b908a0c8f…
• security-tracker.debian.org — https://security-tracker.debian.org/tracker/CVE-2020-10370
• bugzilla.redhat.com — https://bugzilla.redhat.com/show_bug.cgi?id=2052676
• www.informatik.tu-darmstadt.de — https://www.informatik.tu-darmstadt.de/fb20/aktuelles_fb20/fb20_neuigkeiten/neui…