CVE-2023-4467

MEDIUMNVD 6.66.6—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 6.6 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 82% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
6.6
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.6Exploit: NoneExposed: 0

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

A vulnerability was found in Poly Trio 8800 7.2.6.0019 and classified as critical. Affected by this issue is some unknown functionality of the component Test Automation Mode. The manipulation leads to backdoor. It is possible to launch the attack on the physical device. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-249260.

CVSS v3
6.6
EG Score
6.6(medium)
EG Risk
—
EPSS
18.0%
KEV
Not listed

Published

December 29, 2023

Last Modified

June 17, 2026

References (10)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 47× 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. 2026-07-22 23:13 UTCEG score recompute▲ 0.40
  2. 2026-07-22 14:06 UTCEPSS rescore
  3. 2026-07-21 15:23 UTCEPSS rescore
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  1. 2026-07-06 16:26 UTCEPSS rescore
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  3. 2026-07-06 02:22 UTCEPSS rescore
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  5. 2026-07-04 06:29 UTCEPSS rescore
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  9. 2026-06-30 23:21 UTCEPSS rescore
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  18. 2026-06-24 14:04 UTCEPSS rescore
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  20. 2026-06-24 06:36 UTCNVD updateCVSS v3 → 6.6
  21. 2026-06-23 21:31 UTCEPSS rescore
  22. 2026-06-23 21:31 UTCEPSS rescore
  23. 2026-06-22 14:24 UTCEPSS rescore
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  25. 2026-06-21 14:55 UTCEPSS rescore
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  29. 2026-06-19 19:24 UTCEPSS rescore
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  31. 2026-06-18 17:51 UTCEPSS rescore
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  39. 2026-06-12 23:11 UTCEPSS rescore
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  41. 2026-06-11 13:59 UTCEPSS rescore
  42. 2026-06-10 22:17 UTCEPSS rescore
  43. 2026-06-10 13:21 UTCEPSS rescore
  44. 2026-06-08 14:16 UTCEPSS rescore
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  46. 2026-06-07 15:24 UTCEPSS rescore
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  48. 2026-06-06 13:46 UTCEPSS rescore
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  50. 2026-06-05 22:46 UTCEPSS rescore
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  73. 2026-05-24 11:18 UTCEG score recompute
  74. 2026-05-24 11:18 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2023-4467?
CVE-2023-4467 is a medium vulnerability published on December 29, 2023. A vulnerability was found in Poly Trio 8800 7.2.6.0019 and classified as critical. Affected by this issue is some unknown functionality of the component Test Automation Mode. The manipulation leads to backdoor. It is possible to launch the attack on the physical device. The exploit has been…
When was CVE-2023-4467 disclosed?
CVE-2023-4467 was first published in the National Vulnerability Database on December 29, 2023, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-4467 actively exploited?
CVE-2023-4467 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 18.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-4467?
CVE-2023-4467 has a CVSS v3 base score of 6.6 (NVD).
How do I remediate CVE-2023-4467?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-4467, 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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