fkie_nvd - fkie_cve-2021-34578

FKIE_CVE-2021-34578

Vulnerability from fkie_nvd - Published: 2021-08-31 11:15 - Updated: 2024-11-21 06:10

Severity ?

9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

This vulnerability allows an attacker who has access to the WBM to read and write settings-parameters of the device by sending specifically constructed requests without authentication on multiple WAGO PLCs in firmware versions up to FW07.

References

	URL	Tags
	info@cert.vde.com	https://cert.vde.com/en-us/advisories/vde-2020-044	Third Party Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://cert.vde.com/en-us/advisories/vde-2020-044	Third Party Advisory

Impacted products

Vendor	Product	Version
wago	750-890\/040-000_firmware	*
wago	750-890\/040-000	-
wago	750-890\/025-001_firmware	*
wago	750-890\/025-001	-
wago	750-890\/025-002_firmware	*
wago	750-890\/025-002	-
wago	750-890\/025-000_firmware	*
wago	750-890\/025-000	-
wago	750-832\/000-002_firmware	*
wago	750-832\/000-002	-
wago	750-362_firmware	*
wago	750-362	-
wago	750-823_firmware	*
wago	750-823	-
wago	750-832_firmware	*
wago	750-832	-
wago	750-363_firmware	*
wago	750-363	-
wago	750-862_firmware	*
wago	750-862	-
wago	750-891_firmware	*
wago	750-891	-
wago	750-893_firmware	*
wago	750-893	-

JSON

To clipboard

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CVE-2021-34578 (GCVE-0-2021-34578)

Vulnerability from cvelistv5 – Published: 2021-08-31 10:33 – Updated: 2024-09-16 18:33

Title

WAGO: Authentication Vulnerability in Web-Based Management

Summary

Severity ?

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-287 - Improper Authentication

Assigner

CERTVDE

References

URL

Tags

https://cert.vde.com/en-us/advisories/vde-2020-044

x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	WAGO	PLC	Affected: 750-362 , ≤ FW07 (custom) Affected: 750-363 , ≤ FW07 (custom) Affected: 750-823 , ≤ FW07 (custom) Affected: 750-832/xxx-xxx , ≤ FW07 (custom) Affected: 750-862 , ≤ FW07 (custom) Affected: 750-891 , ≤ FW07 (custom) Affected: 750-890/xxx-xxx , ≤ FW07 (custom) Affected: 750-893 , ≤ FW07 (custom)

Credits

Maxim Rupp (https://rupp.it) reported this vulnerability to WAGO. CERT@VDE coordinated.

Show details on NVD website

JSON

To clipboard

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                  ]
                },
                "vendor_name": "WAGO"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "Maxim Rupp (https://rupp.it) reported this vulnerability to WAGO. CERT@VDE coordinated."
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "This vulnerability allows an attacker who has access to the WBM to read and write settings-parameters of the device by sending specifically constructed requests without authentication on multiple WAGO PLCs in firmware versions up to FW07."
            }
          ]
        },
        "generator": {
          "engine": "Vulnogram 0.0.9"
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-287 Improper Authentication"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://cert.vde.com/en-us/advisories/vde-2020-044",
              "refsource": "CONFIRM",
              "url": "https://cert.vde.com/en-us/advisories/vde-2020-044"
            }
          ]
        },
        "solution": [
          {
            "lang": "en",
            "value": "Update the device to the latest FW version."
          }
        ],
        "source": {
          "advisory": "VDE-2020-044",
          "discovery": "EXTERNAL"
        },
        "work_around": [
          {
            "lang": "en",
            "value": "Restrict network access to the device.\nDo not directly connect the device to the internet.\nDisable unused TCP/UDP ports.\nDisable web-based management ports 80/443 after the configuration phase"
          }
        ]
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "270ccfa6-a436-4e77-922e-914ec3a9685c",
    "assignerShortName": "CERTVDE",
    "cveId": "CVE-2021-34578",
    "datePublished": "2021-08-31T10:33:01.868564Z",
    "dateReserved": "2021-06-10T00:00:00",
    "dateUpdated": "2024-09-16T18:33:25.112Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

FKIE_CVE-2021-34578

CVE-2021-34578 (GCVE-0-2021-34578)

Tags

Sightings

Nomenclature