CVE-2021-21000 WAGO: PFC200 Denial of Service due to the number of connections to the runtime

🗓️ 24 May 2021 11:05:05Reported by CERTVDEType

WAGO PFC200 denial of service due to excessive connection

Reporter	Title	Published	Views	Family All 9
BDU FSTEC	The vulnerability of the microprogrammed software of WAGO Series PFC200 programmable logic controllers, related to unlimited resource distribution, allows a intruder to cause malfunctions during maintenance.	23 Jun 202100:00	–	bdu_fstec
CNNVD	WAGO 安全漏洞	24 May 202100:00	–	cnnvd
CVE	CVE-2021-21000	24 May 202111:05	–	cve
EUVD	EUVD-2021-8409	3 Oct 202520:07	–	euvd
NVD	CVE-2021-21000	24 May 202111:15	–	nvd
OSV	CVE-2021-21000	24 May 202111:15	–	osv
Prion	Design/Logic Flaw	24 May 202111:15	–	prion
Positive Technologies	PT-2021-3331 · Wago · Wago Pfc 200	24 May 202100:00	–	ptsecurity
Tenable Nessus	Wago PFC200 Denial of Service (CVE-2021-21000)	21 Jul 202200:00	–	nessus

[
  {
    "product": "Series PFC200 Controller",
    "vendor": "WAGO",
    "versions": [
      {
        "lessThanOrEqual": "FW07",
        "status": "affected",
        "version": "750-823",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "FW14",
        "status": "affected",
        "version": "750-829",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "FW14",
        "status": "affected",
        "version": "750-831/000-00x",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "FW06",
        "status": "affected",
        "version": "750-832/000-00x",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "FW14",
        "status": "affected",
        "version": "750-852",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "FW07",
        "status": "affected",
        "version": "750-862",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "FW15",
        "status": "affected",
        "version": "750-880/0xx-xxx",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "FW14",
        "status": "affected",
        "version": "750-881",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "FW14",
        "status": "affected",
        "version": "750-882",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "FW14",
        "status": "affected",
        "version": "750-885/0xx-xxx",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "FW14",
        "status": "affected",
        "version": "750-889",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "FW07",
        "status": "affected",
        "version": "750-890/0xx-xxx",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "FW07",
        "status": "affected",
        "version": "750-891",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "FW07",
        "status": "affected",
        "version": "750-893",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "Series Ethernet Controller",
    "vendor": "WAGO",
    "versions": [
      {
        "lessThan": "03.06.19 (18)",
        "status": "affected",
        "version": "750-8202/xxx-xxx",
        "versionType": "custom"
      },
      {
        "lessThan": "03.06.19 (18)",
        "status": "affected",
        "version": "750-8203/xxx-xxx",
        "versionType": "custom"
      },
      {
        "lessThan": "03.06.19 (18)",
        "status": "affected",
        "version": "750-8204/xxx-xxx",
        "versionType": "custom"
      },
      {
        "lessThan": "03.06.19 (18)",
        "status": "affected",
        "version": "750-8206/xxx-xxx",
        "versionType": "custom"
      },
      {
        "lessThan": "03.06.19 (18)",
        "status": "affected",
        "version": "750-8207/xxx-xxx",
        "versionType": "custom"
      },
      {
        "lessThan": "03.06.19 (18)",
        "status": "affected",
        "version": "750-8208/xxx-xxx",
        "versionType": "custom"
      },
      {
        "lessThan": "03.06.19 (18)",
        "status": "affected",
        "version": "750-8210/xxx-xxx",
        "versionType": "custom"
      },
      {
        "lessThan": "03.06.19 (18)",
        "status": "affected",
        "version": "750-8211/xxx-xxx",
        "versionType": "custom"
      },
      {
        "lessThan": "03.06.19 (18)",
        "status": "affected",
        "version": "750-8212/xxx-xxx",
        "versionType": "custom"
      },
      {
        "lessThan": "03.06.19 (18)",
        "status": "affected",
        "version": "750-8213/xxx-xxx",
        "versionType": "custom"
      },
      {
        "lessThan": "03.06.19 (18)",
        "status": "affected",
        "version": "750-8214/xxx-xxx",
        "versionType": "custom"
      },
      {
        "lessThan": "03.06.19 (18)",
        "status": "affected",
        "version": "750-8216/xxx-xxx",
        "versionType": "custom"
      },
      {
        "lessThan": "03.06.19 (18)",
        "status": "affected",
        "version": "750-8217/xxx-xxx",
        "versionType": "custom"
      }
    ]
  }
]

Source	Link
cert	www.cert.vde.com/en-us/advisories/vde-2021-014

24 May 2021 11:05Current

7.6High risk

Vulners AI Score7.6

CVSS 3.15.3

EPSS0.01037

CWE-770