CVE-2020-10370

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2024-11-11. NVD baseline CVSS 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 8.8Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity88% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
43%
KEV
Not listed

Published

November 11, 2024

Last Modified

April 15, 2026

Advisory Details (5)

Auto-updated May 22, 2026
No patch confirmed yet. Sources: redhat.
generic

Secure Mobile Networking Lab – Secure Mobile Networking Lab

https://www.informatik.tu-darmstadt.de/seemoo/team_seemoo/jiska_classen/index.en.jsp
generic

Spectra: Neue Sicherheitslücken bei drahtlosen Chips – Informatik – TU Darmstadt

https://www.informatik.tu-darmstadt.de/fb20/aktuelles_fb20/fb20_neuigkeiten/neuigkeiten_fb20_details_203136.de.jsp
generic

CVE-2020-10370

https://security-tracker.debian.org/tracker/CVE-2020-10370
generic

Second Spectra fix for CYW43455 (CVE-2020-10370) · RPi-Distro/bluez-firmware@8445a53 · GitHub

https://github.com/RPi-Distro/bluez-firmware/commit/8445a53ce2c51a77472b908a0c8f6f8e1fa5c37a
redhat

2052676 – (CVE-2020-10370) CVE-2020-10370 Bluez: bluetooth firmware has Sweyntooth and Spectra issues

https://bugzilla.redhat.com/show_bug.cgi?id=2052676

Data Freshness Timeline

(refreshed 7× in last 7d / 38× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 160 total refreshes for this CVE.

  1. 2026-08-07 16:23 UTCEPSS rescore
  2. 2026-08-06 13:43 UTCEPSS rescore
  3. 2026-08-05 19:14 UTCEPSS rescore
  4. 2026-08-04 15:06 UTCEPSS rescore
  5. 2026-08-04 10:34 UTCEPSS rescore
  6. 2026-08-03 10:32 UTCEPSS rescore
  7. 2026-08-02 02:23 UTCEPSS rescore
  8. 2026-08-01 04:12 UTCEPSS rescore
  9. 2026-07-30 16:24 UTCEPSS rescore
  10. 2026-07-30 01:27 UTCEPSS rescore
  11. 2026-07-28 15:32 UTCEPSS rescore
  12. 2026-07-28 08:24 UTCOSV refresh
  13. 2026-07-26 14:51 UTCEPSS rescore
  14. 2026-07-25 14:14 UTCEPSS rescore
  15. 2026-07-24 14:14 UTCEPSS rescore
  16. 2026-07-23 14:15 UTCEPSS rescore
  17. 2026-07-23 14:15 UTCEPSS rescore
  18. 2026-07-23 01:48 UTCEG score recompute
  19. 2026-07-22 22:32 UTCEG score recompute
  20. 2026-07-22 14:05 UTCEPSS rescore
  21. 2026-07-21 15:22 UTCEPSS rescore
  22. 2026-07-21 15:22 UTCEPSS rescore
  23. 2026-07-20 17:04 UTCEPSS rescore
  24. 2026-07-19 14:28 UTCEPSS rescore
  25. 2026-07-19 14:28 UTCEPSS rescore
Show 75 more
  1. 2026-07-19 02:26 UTCEPSS rescore
  2. 2026-07-19 02:26 UTCEPSS rescore
  3. 2026-07-18 10:02 UTCEPSS rescore
  4. 2026-07-16 16:59 UTCEPSS rescore
  5. 2026-07-16 16:59 UTCEPSS rescore
  6. 2026-07-15 16:55 UTCEPSS rescore
  7. 2026-07-13 22:27 UTCEPSS rescore
  8. 2026-07-13 06:10 UTCEPSS rescore
  9. 2026-07-13 06:10 UTCEPSS rescore
  10. 2026-07-12 05:44 UTCEPSS rescore
  11. 2026-07-11 08:24 UTCEPSS rescore
  12. 2026-07-11 00:11 UTCOSV refresh
  13. 2026-07-09 19:06 UTCEPSS rescore
  14. 2026-07-08 15:11 UTCEPSS rescore
  15. 2026-07-07 13:43 UTCEPSS rescore
  16. 2026-07-06 16:25 UTCEPSS rescore
  17. 2026-07-06 16:25 UTCEPSS rescore
  18. 2026-07-06 02:20 UTCEPSS rescore
  19. 2026-07-05 02:27 UTCEPSS rescore
  20. 2026-07-04 06:28 UTCEPSS rescore
  21. 2026-07-01 15:03 UTCEPSS rescore
  22. 2026-07-01 15:03 UTCEPSS rescore
  23. 2026-06-30 23:20 UTCEPSS rescore
  24. 2026-06-30 23:20 UTCEPSS rescore
  25. 2026-06-29 14:04 UTCEPSS rescore
  26. 2026-06-29 14:04 UTCEPSS rescore
  27. 2026-06-28 14:05 UTCEPSS rescore
  28. 2026-06-28 04:54 UTCEPSS rescore
  29. 2026-06-28 04:54 UTCEPSS rescore
  30. 2026-06-27 03:06 UTCEPSS rescore
  31. 2026-06-25 13:47 UTCEPSS rescore
  32. 2026-06-25 13:47 UTCEPSS rescore
  33. 2026-06-24 14:03 UTCEPSS rescore
  34. 2026-06-24 14:03 UTCEPSS rescore
  35. 2026-06-23 21:31 UTCEPSS rescore
  36. 2026-06-23 21:31 UTCEPSS rescore
  37. 2026-06-22 14:23 UTCEPSS rescore
  38. 2026-06-22 14:23 UTCEPSS rescore
  39. 2026-06-22 07:28 UTCOSV refresh
  40. 2026-06-21 14:54 UTCEPSS rescore
  41. 2026-06-21 14:54 UTCEPSS rescore
  42. 2026-06-21 01:57 UTCEPSS rescore
  43. 2026-06-21 01:57 UTCEPSS rescore
  44. 2026-06-19 19:23 UTCEPSS rescore
  45. 2026-06-19 19:23 UTCEPSS rescore
  46. 2026-06-18 17:50 UTCEPSS rescore
  47. 2026-06-18 17:50 UTCEPSS rescore
  48. 2026-06-17 17:50 UTCEPSS rescore
  49. 2026-06-17 17:50 UTCEPSS rescore
  50. 2026-06-16 17:50 UTCEPSS rescore
  51. 2026-06-16 17:50 UTCEPSS rescore
  52. 2026-06-15 17:46 UTCEPSS rescore
  53. 2026-06-14 23:15 UTCEPSS rescore
  54. 2026-06-14 23:15 UTCEPSS rescore
  55. 2026-06-13 22:58 UTCEPSS rescore
  56. 2026-06-13 22:58 UTCEPSS rescore
  57. 2026-06-12 23:09 UTCEPSS rescore
  58. 2026-06-11 13:58 UTCEPSS rescore
  59. 2026-06-10 22:16 UTCEPSS rescore
  60. 2026-06-10 22:16 UTCEPSS rescore
  61. 2026-06-10 13:20 UTCEPSS rescore
  62. 2026-06-08 14:15 UTCEPSS rescore
  63. 2026-06-08 14:15 UTCEPSS rescore
  64. 2026-06-07 15:23 UTCEPSS rescore
  65. 2026-06-07 15:23 UTCEPSS rescore
  66. 2026-06-06 13:45 UTCEPSS rescore
  67. 2026-06-06 13:45 UTCEPSS rescore
  68. 2026-06-06 13:45 UTCEPSS rescore
  69. 2026-06-05 22:45 UTCEPSS rescore
  70. 2026-06-05 22:45 UTCEPSS rescore
  71. 2026-06-05 06:08 UTCEPSS rescore
  72. 2026-06-04 13:10 UTCEPSS rescore
  73. 2026-06-04 13:10 UTCEPSS rescore
  74. 2026-06-04 07:39 UTCOSV refresh
  75. 2026-06-02 20:11 UTCEPSS rescore

Frequently asked(5)

What is CVE-2020-10370?
CVE-2020-10370 is a high vulnerability published on November 11, 2024. 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.
When was CVE-2020-10370 disclosed?
CVE-2020-10370 was first published in the National Vulnerability Database on November 11, 2024, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2020-10370 actively exploited?
CVE-2020-10370 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 57.3% of all scored CVEs.
What is the CVSS score of CVE-2020-10370?
CVE-2020-10370 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2020-10370?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-10370, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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