Vulnerability-Lookup

GHSA-FGCC-2FX7-P23V

Vulnerability from github – Published: 2022-04-21 00:00 – Updated: 2022-05-04 00:00

Details

A denial of service vulnerability exists in MDT's firmware for the KNXnet/IP Secure router SCN-IP100.03 and KNX IP interface SCN-IP000.03 before v3.0.4, that allows a remote attacker to turn the device unresponsive to all requests on the KNXnet/IP Secure layer, until the device is rebooted, via a SESSION_REQUEST frame with a modified total length field.

Severity ?

7.5 (High)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2021-37740"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-04-20T20:15:00Z",
    "severity": "HIGH"
  },
  "details": "A denial of service vulnerability exists in MDT\u0027s firmware for the KNXnet/IP Secure router SCN-IP100.03 and KNX IP interface SCN-IP000.03 before v3.0.4, that allows a remote attacker to turn the device unresponsive to all requests on the KNXnet/IP Secure layer, until the device is rebooted, via a SESSION_REQUEST frame with a modified total length field.",
  "id": "GHSA-fgcc-2fx7-p23v",
  "modified": "2022-05-04T00:00:43Z",
  "published": "2022-04-21T00:00:22Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-37740"
    },
    {
      "type": "WEB",
      "url": "https://github.com/robertguetzkow/CVE-2021-37740"
    },
    {
      "type": "WEB",
      "url": "https://www.mdt.de/EN_IP_Interface_Router.html"
    },
    {
      "type": "WEB",
      "url": "https://www.mdt.de/download/MDT_CL_SCN_IP_03_IP_Interface_Router.pdf"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2021-37740 (GCVE-0-2021-37740)

Vulnerability from cvelistv5 – Published: 2022-04-20 19:31 – Updated: 2024-08-04 01:30

Summary

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	https://www.mdt.de/EN_IP_Interface_Router.html	x_refsource_MISC
	https://www.mdt.de/download/MDT_CL_SCN_IP_03_IP_I…	x_refsource_MISC
	https://github.com/robertguetzkow/CVE-2021-37740	x_refsource_MISC

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          "dateUpdated": "2024-08-04T01:30:07.493Z",
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        "references": [
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            ],
            "url": "https://www.mdt.de/EN_IP_Interface_Router.html"
          },
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            ],
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          },
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            ],
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          }
        ],
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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

GHSA-FGCC-2FX7-P23V

CVE-2021-37740 (GCVE-0-2021-37740)

Tags

Sightings

Nomenclature