github - ghsa-3fr9-8m46-r2mm

GHSA-3FR9-8M46-R2MM

Vulnerability from github – Published: 2024-01-09 12:30 – Updated: 2025-10-08 09:31

Details

An Improper Verification of Cryptographic Signature vulnerability in the update process of Korenix JetNet Series allows replacing the whole operating system including Trusted Executables. This issue affects JetNet devices older than firmware version 2024/01.

Severity ?

9.8 (Critical)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2023-5347"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-327",
      "CWE-347"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-01-09T10:15:22Z",
    "severity": "CRITICAL"
  },
  "details": "An Improper Verification of Cryptographic Signature vulnerability in the update process of Korenix JetNet Series allows replacing the whole operating system including Trusted Executables.\u00a0This issue affects JetNet devices older than firmware version 2024/01.",
  "id": "GHSA-3fr9-8m46-r2mm",
  "modified": "2025-10-08T09:31:13Z",
  "published": "2024-01-09T12:30:36Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-5347"
    },
    {
      "type": "WEB",
      "url": "https://cyberdanube.com/en/en-multiple-vulnerabilities-in-korenix-jetnet-series"
    },
    {
      "type": "WEB",
      "url": "https://www.beijerelectronics.com/en/support/Help___online?docId=69947"
    },
    {
      "type": "WEB",
      "url": "http://packetstormsecurity.com/files/176550/Korenix-JetNet-Series-Unauthenticated-Access.html"
    },
    {
      "type": "WEB",
      "url": "http://seclists.org/fulldisclosure/2024/Jan/11"
    }
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  "schema_version": "1.4.0",
  "severity": [
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      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2023-5347 (GCVE-0-2023-5347)

Vulnerability from cvelistv5 – Published: 2024-01-09 09:54 – Updated: 2025-10-08 09:10

Summary

Severity ?

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-347 - Improper Verification of Cryptographic Signature
CWE-327 - Use of a Broken or Risky Cryptographic Algorithm

Assigner

CyberDanube

References

URL

Tags

	https://www.beijerelectronics.com/en/support/Help…
	https://cyberdanube.com/en/en-multiple-vulnerabil…
	http://seclists.org/fulldisclosure/2024/Jan/11
	http://packetstormsecurity.com/files/176550/Koren…

Impacted products

	Vendor	Product	Version
	Korenix	JetNet Series	Affected: firmware older than 2024/01

Credits

S. Dietz (CyberDanube)

Show details on NVD website

JSON

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-3FR9-8M46-R2MM

CVE-2023-5347 (GCVE-0-2023-5347)

Tags

Sightings

Nomenclature