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EUVD-2021-21245

🗓️ 07 Oct 2025 00:30:54Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 17 Views

Crafted requests may lead to out-of-bounds access in CODESYS V2 resulting in denial-of-service.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2021-34595
25 Oct 202114:00
–attackerkb
circl
Circl
CVE-2021-34595
26 Oct 202114:14
–circl
cnnvd
CNNVD
CODESYS 缓冲区错误漏洞
26 Oct 202100:00
–cnnvd
cve
CVE
CVE-2021-34595
26 Oct 202109:55
–cve
cvelist
Cvelist
CVE-2021-34595 CODESYS V2 runtime: out-of-bounds read or write access may result in denial-of-service
26 Oct 202109:55
–cvelist
nvd
NVD
CVE-2021-34595
26 Oct 202110:15
–nvd
osv
OSV
CVE-2021-34595
26 Oct 202110:15
–osv
prion
Prion
Out-of-bounds
26 Oct 202110:15
–prion
ptsecurity
Positive Technologies
PT-2021-20570 · 3S Smart Software Solutions · Codesys V2 Runtime Toolkit +1
26 Oct 202100:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2021-34595: Use of Out-of-range Pointer Offset
26 Oct 202100:00
–rapid7
Rows per page
[
  {
    "enisaIdVendor": [
      {
        "id": "a9a0fd1f-c573-348e-bd37-1bcf3992cc9c",
        "vendor": {
          "name": "CODESYS"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "2dd338d6-b0ad-3db1-9ce3-7e71a4a7f025",
        "product": {
          "name": "CODESYS V2"
        },
        "product_version": "PLCWinNT <V2.4.7.56"
      },
      {
        "id": "d18b8f1e-41b2-3699-b6be-22316959bb8e",
        "product": {
          "name": "CODESYS V2"
        },
        "product_version": "Runtime Toolkit 32 bit full <V2.4.7.56"
      }
    ]
  }
]

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07 Oct 2025 00:30Current
8High risk
Vulners AI Score8
CVSS 3.18.1
CVSS 25.5
EPSS0.00879
17