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CVE-2020-12526

🗓️ 13 May 2021 13:45:24Reported by CERTVDEType 
cve
 cve
🔗 web.nvd.nist.gov👁 72 Views

TwinCAT OPC UA Server & IPC Diagnostics UA Server up to 2.3.0.12 & 3.1.0.1 from Beckhoff Automation GmbH & Co. KG vulnerable to DoS attacks

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
bdu_fstec
BDU FSTEC
TwinCAT OPC UA Server DoS
16 Dec 202100:00
–bdu_fstec
cnnvd
CNNVD
Honeywell OPC UA Tunneller input validation error vulnerability
13 May 202100:00
–cnnvd
cvelist
Cvelist
CVE-2020-12526 BECKHOFF: DoS-Vulnerability for TwinCAT OPC UA Server and IPC Diagnostics UA Server
13 May 202113:45
–cvelist
euvd
EUVD
EUVD-2020-4828
7 Oct 202500:30
–euvd
nvd
NVD
CVE-2020-12526
13 May 202114:15
–nvd
osv_cve
osv_cve
CVE-2020-12526
13 May 202114:15
–osv_cve
nessus
Tenable Nessus
Beckhoff Ipc Improper Input Validation
10 Aug 202100:00
–nessus
nessus
Tenable Nessus
Beckhoff (CVE-2020-12526) (deprecated)
7 Feb 202200:00
–nessus
prion
Prion
Design/Logic Flaw
13 May 202114:15
–prion
ptsecurity
Positive Technologies
PT-2021-5257
13 May 202100:00
–ptsecurity
Rows per page
NVD
Vulners
Node
[
  {
    "product": "TwinCAT OPC UA Server",
    "vendor": "Beckhoff",
    "versions": [
      {
        "lessThanOrEqual": "2.3.0.12",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "IPC Diagnostics UA Server",
    "vendor": "Beckhoff",
    "versions": [
      {
        "lessThanOrEqual": "3.1.0.1",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "TF6100",
    "vendor": "Beckhoff",
    "versions": [
      {
        "lessThanOrEqual": "3.3.18",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

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17 Jun 2026 02:51Current
5.2Medium risk
Vulners AI Score5.2
CVSS 25
CVSS 3.15.3
EPSS0.00955
72