CVE-2023-23774

HIGHNVD 8.48.4—
EchelonGraph scoreMEDIUM confidence

Score 8.4 from GitHub Security Advisory (severity: HIGH) published 2023-08-29. NVD baseline CVSS 8.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
8.4
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.4Exploit: NoneExposed: 0

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

Motorola EBTS/MBTS Site Controller drops to debug prompt on unhandled exception. The Motorola MBTS Site Controller exposes a debug prompt on the device's serial port in case of an unhandled exception. This allows an attacker with physical access that is able to trigger such an exception to extract secret key material and/or gain arbitrary code execution on the device.

CVSS v3
8.4
EG Score
8.4(medium)
EPSS
9.8%
KEV
Not listed

Published

August 29, 2023

Last Modified

November 21, 2024

References (2)

Weakness Classification(3)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 9× in last 7d / 43× 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.

  1. 2026-07-11 08:25 UTCEPSS rescore
  2. 2026-07-11 08:25 UTCEPSS rescore
  3. 2026-07-09 19:08 UTCEPSS rescore
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  12. 2026-07-02 16:58 UTCEPSS rescore
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  14. 2026-06-30 23:21 UTCEPSS rescore
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  20. 2026-06-27 03:07 UTCEPSS rescore
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  1. 2026-06-23 21:31 UTCEPSS rescore
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  6. 2026-06-21 01:58 UTCEPSS rescore
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  8. 2026-06-19 19:24 UTCEPSS rescore
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  10. 2026-06-18 17:51 UTCEPSS rescore
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  19. 2026-06-11 13:59 UTCEPSS rescore
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  21. 2026-06-10 22:17 UTCEPSS rescore
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  24. 2026-06-08 14:15 UTCEPSS rescore
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  26. 2026-06-07 15:23 UTCEPSS rescore
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  28. 2026-06-06 13:46 UTCEPSS rescore
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  30. 2026-06-05 22:46 UTCEPSS rescore
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  40. 2026-06-01 13:51 UTCEPSS rescore
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  42. 2026-05-31 22:29 UTCEPSS rescore
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  45. 2026-05-31 00:15 UTCEPSS rescore
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  47. 2026-05-29 13:43 UTCEPSS rescore
  48. 2026-05-29 13:43 UTCEPSS rescore
  49. 2026-05-28 13:43 UTCEPSS rescore
  50. 2026-05-28 13:43 UTCEPSS rescore
  51. 2026-05-27 13:39 UTCEPSS rescore
  52. 2026-05-26 13:43 UTCEPSS rescore
  53. 2026-05-26 13:43 UTCEPSS rescore
  54. 2026-05-26 07:18 UTCEPSS rescore
  55. 2026-05-26 07:17 UTCEPSS rescore
  56. 2026-05-26 07:17 UTCEPSS rescore
  57. 2026-05-24 18:36 UTCEG score recompute
  58. 2026-05-24 18:36 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2023-23774?
CVE-2023-23774 is a high vulnerability published on August 29, 2023. Motorola EBTS/MBTS Site Controller drops to debug prompt on unhandled exception. The Motorola MBTS Site Controller exposes a debug prompt on the device's serial port in case of an unhandled exception. This allows an attacker with physical access that is able to trigger such an exception to extract…
When was CVE-2023-23774 disclosed?
CVE-2023-23774 was first published in the National Vulnerability Database on August 29, 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-2023-23774 actively exploited?
CVE-2023-23774 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 9.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-23774?
CVE-2023-23774 has a CVSS v3 base score of 8.4 (NVD).
How do I remediate CVE-2023-23774?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-23774, 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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