CVE-2024-4163

HIGHNVD 8.08.0—
EchelonGraph scoreMEDIUM confidence

Score 8.0 from GitHub Security Advisory (severity: HIGH) published 2024-04-26. NVD baseline CVSS 8.0; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
8.0EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.0Exploit: None knownExposed: 0

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

The Skylab IGX IIoT Gateway allowed users to connect to it via a limited shell terminal (IGX). However, it was discovered that the process was running under root privileges. This allowed the attacker to read, write, and modify any file in the operating system by utilizing the limited shell file exec and download functions. By replacing the /etc/passwd file with a new root user entry, the attacker was able to breakout from the limited shell and login to a unrestricted shell with root access. With the root access, the attacker will be able take full control of the IIoT Gateway.

CVSS v3
8.0
EG Score
8.0(medium)
EG Risk
36(Track)
EG Risk 36/100SSVC: 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
Severity80% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
30%
KEV
Not listed

Published

April 26, 2024

Last Modified

April 15, 2026

References (2)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 12× in last 7d / 40× 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 121 total refreshes for this CVE.

  1. 2026-07-28 15:35 UTCEPSS rescore
  2. 2026-07-27 14:11 UTCEPSS rescore
  3. 2026-07-26 14:53 UTCEPSS rescore
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  10. 2026-07-23 02:39 UTCEG score recompute
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  1. 2026-07-13 22:29 UTCEPSS rescore
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  45. 2026-06-11 13:59 UTCEPSS rescore
  46. 2026-06-10 22:18 UTCEPSS rescore
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  48. 2026-06-08 14:16 UTCEPSS rescore
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  50. 2026-06-07 15:24 UTCEPSS rescore
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  52. 2026-06-06 13:46 UTCEPSS rescore
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  75. 2026-05-26 07:18 UTCEPSS rescore

Frequently asked(5)

What is CVE-2024-4163?
CVE-2024-4163 is a high vulnerability published on April 26, 2024. The Skylab IGX IIoT Gateway allowed users to connect to it via a limited shell terminal (IGX). However, it was discovered that the process was running under root privileges. This allowed the attacker to read, write, and modify any file in the operating system by utilizing the limited shell file…
When was CVE-2024-4163 disclosed?
CVE-2024-4163 was first published in the National Vulnerability Database on April 26, 2024, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-4163 actively exploited?
CVE-2024-4163 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 69.7% of all scored CVEs.
What is the CVSS score of CVE-2024-4163?
CVE-2024-4163 has a CVSS v3 base score of 8.0 (NVD).
How do I remediate CVE-2024-4163?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-4163, 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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