CVE-2023-5459

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 0.9%, top 45% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 7.5Exploit: NoneExposed: 0

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

A vulnerability has been found in Delta Electronics DVP32ES2 PLC 1.48 and classified as critical. This vulnerability affects unknown code of the component Password Transmission Handler. The manipulation leads to denial of service. The exploit has been disclosed to the public and may be used. VDB-241582 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
34(Track)
EG Risk 34/100SSVC: 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
Severity75% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
55.4%
KEV
Not listed

Published

October 9, 2023

Last Modified

June 17, 2026

References (6)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 13× 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. 2026-07-23 02:30 UTCEG score recompute
  2. 2026-07-22 23:16 UTCEG score recompute▲ 1.00
  3. 2026-07-22 14:07 UTCEPSS rescore
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  5. 2026-07-21 15:23 UTCEPSS rescore
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  1. 2026-07-07 13:44 UTCEPSS rescore
  2. 2026-07-06 16:26 UTCEPSS rescore
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  4. 2026-07-06 02:22 UTCEPSS rescore
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  8. 2026-07-01 15:05 UTCEPSS rescore
  9. 2026-06-30 23:21 UTCEPSS rescore
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  18. 2026-06-24 14:04 UTCEPSS rescore
  19. 2026-06-24 14:04 UTCEPSS rescore
  20. 2026-06-24 06:24 UTCNVD updateCVSS v3 → 7.5 · severity → HIGH
  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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  31. 2026-06-18 17:51 UTCEPSS rescore
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  36. 2026-06-14 23:16 UTCEPSS rescore
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  39. 2026-06-12 23:11 UTCEPSS rescore
  40. 2026-06-11 13:59 UTCEPSS rescore
  41. 2026-06-10 22:17 UTCEPSS rescore
  42. 2026-06-10 13:21 UTCEPSS rescore
  43. 2026-06-08 14:16 UTCEPSS rescore
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  45. 2026-06-07 15:24 UTCEPSS rescore
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  47. 2026-06-06 13:46 UTCEPSS rescore
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  53. 2026-06-04 13:11 UTCEPSS rescore
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  55. 2026-06-02 20:12 UTCEPSS rescore
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  57. 2026-06-01 13:51 UTCEPSS rescore
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  62. 2026-05-29 13:43 UTCEPSS rescore
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  69. 2026-05-26 07:18 UTCEPSS rescore
  70. 2026-05-26 07:18 UTCEPSS rescore
  71. 2026-05-24 16:18 UTCEG score recompute
  72. 2026-05-24 16:18 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2023-5459?
CVE-2023-5459 is a high vulnerability published on October 9, 2023. A vulnerability has been found in Delta Electronics DVP32ES2 PLC 1.48 and classified as critical. This vulnerability affects unknown code of the component Password Transmission Handler. The manipulation leads to denial of service. The exploit has been disclosed to the public and may be used.…
When was CVE-2023-5459 disclosed?
CVE-2023-5459 was first published in the National Vulnerability Database on October 9, 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-2023-5459 actively exploited?
CVE-2023-5459 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 55.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-5459?
CVE-2023-5459 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2023-5459?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-5459, 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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