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EUVD-2020-4796

🗓️ 07 Oct 2025 00:30:54Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 1 Views

Beckhoff's driver leaks memory via unpadded Ethernet frames when using small ICMP echo requests.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
CVE
CVE-2020-12494
16 Jun 202013:28
cve
Cvelist
CVE-2020-12494 Beckhoff: Etherleak in TwinCAT RT network driver
16 Jun 202013:28
cvelist
NVD
CVE-2020-12494
16 Jun 202014:15
nvd
OSV
CVE-2020-12494
16 Jun 202014:15
osv
Tenable Nessus
Beckhoff Twincat Exposure of Sensitive Information to an Unauthorized Actor
10 Aug 202100:00
nessus
Tenable Nessus
Beckhoff TwinCAT RT Network Driver Incomplete Cleanup (CVE-2020-12494)
7 Feb 202200:00
nessus
Prion
Design/Logic Flaw
16 Jun 202014:15
prion
RedhatCVE
CVE-2020-12494
22 May 202517:49
redhatcve
[
  {
    "enisaIdVendor": [
      {
        "id": "2eff70ae-9f67-32aa-841c-9c97d983b2b7",
        "vendor": {
          "name": "Beckhoff"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "1d87a99f-3136-3c9d-91ab-9da72157ec50",
        "product": {
          "name": "TwinCat Driver for Intel 8254x (Tcl8254x.sys)"
        },
        "product_version": "unspecified ≤3.1.0.3603 for TwinCAT 3.1 4024"
      },
      {
        "id": "9fd704cc-3acf-3ad2-886c-e7a4e5889871",
        "product": {
          "name": "TwinCat Driver for Intel 8254x (Tcl8254x.sys)"
        },
        "product_version": "unspecified ≤3.1.0.3512 for TwinCAT 3.1 4022"
      },
      {
        "id": "ad128fd6-9ed8-3f7b-8a32-67fd15ed9aca",
        "product": {
          "name": "TwinCat Driver for Intel 8255x (Tcl8255x.sys)"
        },
        "product_version": "unspecified ≤3.1.0.3500 for TwinCAT 3.1 4024"
      },
      {
        "id": "c19da601-7dda-3199-a8ed-b70406ae9588",
        "product": {
          "name": "TwinCat Driver for Intel 8254x (Tcl8254x.sys)"
        },
        "product_version": "unspecified ≤2.11.0.2120 for TwinCAT 2.11 2350"
      },
      {
        "id": "c298664c-600f-3911-8e3c-b28b7140dc2c",
        "product": {
          "name": "TwinCat Driver for Intel 8255x (Tcl8255x.sys)"
        },
        "product_version": "unspecified ≤3.1.0.3600 for TwinCAT 3.1 4024"
      },
      {
        "id": "d939c503-e844-316a-9fc7-1ed0c108bbf6",
        "product": {
          "name": "TwinCat Driver for Intel 8255x (Tcl8255x.sys)"
        },
        "product_version": "unspecified ≤2.11.0.2117 for TwinCAT 2.11 2350"
      }
    ]
  }
]

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07 Oct 2025 00:30Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.15.3
CVSS 25
EPSS0.00339
1