CVE-2023-40252

HIGHNVD 6.07.7▲
EchelonGraph scoreMEDIUM confidence

Score 7.7 from GitHub Security Advisory (severity: CRITICAL) published 2023-08-17. NVD baseline CVSS 6.0; sources differ by 1.7.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.7EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.4%CVSS: 6.0Exploit: None knownExposed services: Not assessed

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

Improper Control of Generation of Code ('Code Injection') vulnerability in Genians Genian NAC V4.0, Genians Genian NAC V5.0, Genians Genian NAC Suite V5.0, Genians Genian ZTNA allows Replace Trusted Executable.This issue affects Genian NAC V4.0: from V4.0.0 through V4.0.155; Genian NAC V5.0: from V5.0.0 through V5.0.42 (Revision 117460); Genian NAC Suite V5.0: from V5.0.0 through V5.0.54; Genian ZTNA: from V6.0.0 through V6.0.15.

CVSS v3
6.0
EG Score
7.7HIGHmedium confidence
EG Risk
35
EG Risk 35/100CISA SSVC

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
Severity77% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.
EPSS PROB
0.4%
EPSS %ILE
32nd
KEV
Not listed

CISA SSVCTrack at every mission impact level.

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 17, 2023

Last Modified

November 21, 2024

References (2)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 6× in last 7d / 30× 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 191 total refreshes for this CVE.

  1. 2026-10-09 20:05 UTCEPSS rescore
  2. 2026-10-08 17:06 UTCEPSS rescore
  3. 2026-10-07 23:46 UTCEPSS rescore
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  10. 2026-09-30 16:28 UTCEG score recompute
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  1. 2026-09-16 05:11 UTCEPSS rescore
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  17. 2026-08-28 21:39 UTCEPSS rescore
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  19. 2026-08-26 14:44 UTCEPSS rescore
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  21. 2026-08-25 13:46 UTCEPSS rescore
  22. 2026-08-23 00:17 UTCEPSS rescore
  23. 2026-08-21 23:47 UTCEPSS rescore
  24. 2026-08-20 22:53 UTCEPSS rescore
  25. 2026-08-19 17:02 UTCEPSS rescore
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  27. 2026-08-18 13:46 UTCEPSS rescore
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  36. 2026-08-09 13:44 UTCEPSS rescore
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  38. 2026-08-08 16:35 UTCEPSS rescore
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  40. 2026-08-06 13:45 UTCEPSS rescore
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  45. 2026-08-02 02:25 UTCEPSS rescore
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  49. 2026-07-30 16:26 UTCEPSS rescore
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  51. 2026-07-30 01:28 UTCEPSS rescore
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  53. 2026-07-28 15:34 UTCEPSS rescore
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  55. 2026-07-26 14:52 UTCEPSS rescore
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  57. 2026-07-25 14:16 UTCEPSS rescore
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  59. 2026-07-23 14:16 UTCEPSS rescore
  60. 2026-07-23 14:16 UTCEPSS rescore
  61. 2026-07-23 02:25 UTCEG score recompute
  62. 2026-07-22 23:12 UTCEG score recompute
  63. 2026-07-22 14:06 UTCEPSS rescore
  64. 2026-07-21 15:23 UTCEPSS rescore
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  66. 2026-07-20 17:06 UTCEPSS rescore
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  69. 2026-07-18 10:03 UTCEPSS rescore
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  71. 2026-07-16 17:01 UTCEPSS rescore
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  73. 2026-07-15 16:56 UTCEPSS rescore
  74. 2026-07-15 16:56 UTCEPSS rescore
  75. 2026-07-15 01:58 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2023-40252?
CVE-2023-40252 is a high vulnerability published on August 17, 2023. Improper Control of Generation of Code ('Code Injection') vulnerability in Genians Genian NAC V4.0, Genians Genian NAC V5.0, Genians Genian NAC Suite V5.0, Genians Genian ZTNA allows Replace Trusted Executable.This issue affects Genian NAC V4.0: from V4.0.0 through V4.0.155; Genian NAC V5.0: from…
When was CVE-2023-40252 disclosed?
CVE-2023-40252 was first published on August 17, 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-2023-40252 actively exploited?
CVE-2023-40252 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.4% probability of exploitation in the next 30 days (32nd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2023-40252?
CVE-2023-40252 has a CVSS v3 base score of 6.0 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 7.7 (HIGH).
How do I remediate CVE-2023-40252?
No fix for CVE-2023-40252 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix.

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