GHSA-JPVR-C9FC-2R4H

Vulnerability from github – Published: 2022-05-24 17:06 – Updated: 2025-03-11 12:30
VLAI?
Details

A vulnerability has been identified in Nucleus NET (All versions), Nucleus RTOS (All versions), Nucleus ReadyStart for ARM, MIPS, and PPC (All versions < V2017.02.2 with patch "Nucleus 2017.02.02 Nucleus NET Patch"), Nucleus SafetyCert (All versions), Nucleus Source Code (All versions), VSTAR (All versions). By sending specially crafted DHCP packets to a device, an attacker may be able to affect availability and integrity of the device. Adjacent network access, but no authentication and no user interaction is needed to conduct this attack. At the time of advisory publication no public exploitation of this security vulnerability was known.

Severity ?
7.1 (High)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
7.1 (High)
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
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{
  "affected": [],
  "aliases": [
    "CVE-2019-13939"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-01-16T16:15:00Z",
    "severity": "MODERATE"
  },
  "details": "A vulnerability has been identified in Nucleus NET (All versions), Nucleus RTOS (All versions), Nucleus ReadyStart for ARM, MIPS, and PPC (All versions \u003c V2017.02.2 with patch \"Nucleus 2017.02.02 Nucleus NET Patch\"), Nucleus SafetyCert (All versions), Nucleus Source Code (All versions), VSTAR (All versions). By sending specially crafted DHCP packets to a device, an attacker may be able to affect availability and integrity of the device. Adjacent network access, but no authentication and no user interaction is needed to conduct this attack. At the time of advisory publication no public exploitation of this security vulnerability was known.",
  "id": "GHSA-jpvr-c9fc-2r4h",
  "modified": "2025-03-11T12:30:58Z",
  "published": "2022-05-24T17:06:47Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-13939"
    },
    {
      "type": "WEB",
      "url": "https://cert-portal.siemens.com/productcert/html/ssa-162506.html"
    },
    {
      "type": "WEB",
      "url": "https://cert-portal.siemens.com/productcert/html/ssa-434032.html"
    },
    {
      "type": "WEB",
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-162506.pdf"
    },
    {
      "type": "WEB",
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-434032.pdf"
    },
    {
      "type": "WEB",
      "url": "https://us-cert.cisa.gov/ics/advisories/icsa-20-105-06"
    },
    {
      "type": "WEB",
      "url": "https://www.us-cert.gov/ics/advisories/icsa-20-105-06"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.