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CVE-2021-21002

🗓️ 25 Jun 2021 18:25:50Reported by CERTVDEType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 2 Media mentions👁 71 Views

Phoenix Contact FL COMSERVER UNI < 2.40 Modbus exception response leads to temporary denial of service

Related
Detection
Affected
Refs
Social
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2021-21002
23 Jun 202110:00
attackerkb
cnnvd
CNNVD
Phoenix Contact FL COMSERVER UNI 安全漏洞
25 Jun 202100:00
cnnvd
cvelist
Cvelist
CVE-2021-21002 Denial of Service in Phoenix Contact FL COMSERVER UNI products
25 Jun 202118:25
cvelist
euvd
EUVD
EUVD-2021-8411
3 Oct 202520:07
euvd
nvd
NVD
CVE-2021-21002
25 Jun 202119:15
nvd
osv
OSV
CVE-2021-21002
25 Jun 202119:15
osv
prion
Prion
Denial of service
25 Jun 202119:15
prion
[
  {
    "product": "FL COMSERVER",
    "vendor": "Phoenix Contact",
    "versions": [
      {
        "lessThan": "2.40",
        "status": "affected",
        "version": "UNI 232/422/485 (2313452)",
        "versionType": "custom"
      },
      {
        "lessThan": "2.40",
        "status": "affected",
        "version": "UNI 232/422/485-T (2904817)",
        "versionType": "custom"
      }
    ]
  }
]

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17 Jun 2026 03:34Current
7.3High risk
Vulners AI Score7.3
CVSS 25
CVSS 3.17.5
EPSS0.00961
71