CVE-2021-34578

🗓️ 31 Aug 2021 10:33:01Reported by CERTVDEType

Vulnerability allows unauthorized access to WAGO PLCs settings-parameters

Reporter	Title	Published	Views	Family All 8
Circl	CVE-2021-34578	31 Aug 202114:33	–	circl
CNNVD	WAGO 授权问题漏洞	31 Aug 202100:00	–	cnnvd
Cvelist	CVE-2021-34578 WAGO: Authentication Vulnerability in Web-Based Management	31 Aug 202110:33	–	cvelist
EUVD	EUVD-2021-21228	7 Oct 202500:30	–	euvd
NVD	CVE-2021-34578	31 Aug 202111:15	–	nvd
OSV	CVE-2021-34578	31 Aug 202111:15	–	osv
Prion	Authentication flaw	31 Aug 202111:15	–	prion
Tenable Nessus	Wago 750-36X & 750-8XX Improper Authentication (CVE-2021-34578)	21 Jul 202200:00	–	nessus

NVD

Vulners

Node

wago 750-890/040-000_firmwareRange≤fw07

AND

wago 750-890/040-000Match-

Node

wago 750-890/025-001_firmwareRange≤fw07

AND

wago 750-890/025-001Match-

Node

wago 750-890/025-002_firmwareRange≤fw07

AND

wago 750-890/025-002Match-

Node

wago 750-890/025-000_firmwareRange≤fw07

AND

wago 750-890/025-000Match-

Node

wago 750-832/000-002_firmwareRange≤fw07

AND

wago 750-832/000-002Match-

Node

wago 750-362_firmwareRange≤fw07

AND

wago 750-362Match-

Node

wago 750-823_firmwareRange≤fw07

AND

wago 750-823Match-

Node

wago 750-832_firmwareRange≤fw07

AND

wago 750-832Match-

Node

wago 750-363_firmwareRange≤fw07

AND

wago 750-363Match-

Node

wago 750-862_firmwareRange≤fw07

AND

wago 750-862Match-

Node

wago 750-891_firmwareRange≤fw07

AND

wago 750-891Match-

Node

wago 750-893_firmwareRange≤fw07

AND

wago 750-893Match-

[
  {
    "product": "PLC",
    "vendor": "WAGO",
    "versions": [
      {
        "lessThanOrEqual": "FW07",
        "status": "affected",
        "version": "750-362",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "FW07",
        "status": "affected",
        "version": "750-363",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "FW07",
        "status": "affected",
        "version": "750-823",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "FW07",
        "status": "affected",
        "version": "750-832/xxx-xxx",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "FW07",
        "status": "affected",
        "version": "750-862",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "FW07",
        "status": "affected",
        "version": "750-891",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "FW07",
        "status": "affected",
        "version": "750-890/xxx-xxx",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "FW07",
        "status": "affected",
        "version": "750-893",
        "versionType": "custom"
      }
    ]
  }
]

Source	Link
cert	www.cert.vde.com/en-us/advisories/vde-2020-044

17 Jun 2026 03:56Current

8.5High risk

Vulners AI Score8.5

CVSS 26.8

CVSS 3.18.1 - 9.8

EPSS0.00963

CWE-287