CVE-2023-24023

MEDIUMNVD 6.86.8—
EchelonGraph scoreMEDIUM confidence

Score 6.8 from GitHub Security Advisory published 2023-11-28. NVD baseline CVSS 6.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.8EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 6.8Exploit: None knownExposed: 0

A fix is available — apply it.

Bluetooth BR/EDR devices with Secure Simple Pairing and Secure Connections pairing in Bluetooth Core Specification 4.2 through 5.4 allow certain man-in-the-middle attacks that force a short key length, and might lead to discovery of the encryption key and live injection, aka BLUFFS.

CVSS v3
6.8
EG Score
6.8(medium)
EG Risk
31(Track)
EG Risk 31/100SSVC: 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
Severity68% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
69%
KEV
Not listed

Published

November 28, 2023

Last Modified

November 21, 2024

References (4)

Vendor Advisories for CVE-2023-24023(3)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(8)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-tools-azure (4.15.0.1176.191~14.04.1) @ trusty2026-05-24ubuntu
ubuntulinux-xilinx-zynqmp-tools-5.4.0-1042 (5.4.0-1042.46) @ focal2026-05-24ubuntu
ubuntulinux-tools-nvidia-lowlatency (5.15.0.1053.53) @ jammy2026-05-24ubuntu
ubuntulinux-virtual-lts-xenial (4.4.0.253.259) @ xenial2026-05-24ubuntu
ubuntulinux-virtual-hwe-20.04-edge (5.15.0.105.102) @ jammy2026-05-24ubuntu
redhatkernel-rt-0:4.18.0-553.rt7.342.el8_102024-05-22redhat
redhatkernel-0:4.18.0-553.el8_102024-05-22redhat
redhatkernel-0:5.14.0-427.13.1.el9_42024-04-30redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
linux5.10.103-1 ... 7.2~rc5-1~exp1 (499 versions)——
Debian:12(1)
PackageVulnerable rangeFixed inDependents
linux6.1.27-1 ... 6.1.76-1~bpo11+1 (17 versions)6.1.76-1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
linux—6.6.9-1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
linux—6.6.9-1—

Additional Vendor Advisories

(6)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 7× in last 7d / 28× 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 171 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2023-24023?
CVE-2023-24023 is a medium vulnerability published on November 28, 2023. Bluetooth BR/EDR devices with Secure Simple Pairing and Secure Connections pairing in Bluetooth Core Specification 4.2 through 5.4 allow certain man-in-the-middle attacks that force a short key length, and might lead to discovery of the encryption key and live injection, aka BLUFFS.
When was CVE-2023-24023 disclosed?
CVE-2023-24023 was first published in the National Vulnerability Database on November 28, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-24023 actively exploited?
CVE-2023-24023 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 30.9% of all scored CVEs.
What is the CVSS score of CVE-2023-24023?
CVE-2023-24023 has a CVSS v3 base score of 6.8 (NVD).
How do I remediate CVE-2023-24023?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-24023, 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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