FKIE_CVE-2023-34367

Vulnerability from fkie_nvd - Published: 2023-06-14 20:15 - Updated: 2026-06-17 06:03
Severity
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Summary
Windows 7 is vulnerable to a full blind TCP/IP hijacking attack. The vulnerability exists in Windows 7 (any Windows until Windows 8) and in any implementation of TCP/IP, which is vulnerable to the Idle scan attack (including many IoT devices). NOTE: The vendor considers this a low severity issue.
References
cve@mitre.orghttp://blog.pi3.com.pl/?p=850Exploit, Technical Description, Third Party Advisory
cve@mitre.orghttps://portswigger.net/daily-swig/blind-tcp-ip-hijacking-is-resurrected-for-windows-7Exploit, Technical Description
cve@mitre.orghttps://pwnies.com/windows-7-blind-tcp-ip-hijacking/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://blog.pi3.com.pl/?p=850Exploit, Technical Description, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://portswigger.net/daily-swig/blind-tcp-ip-hijacking-is-resurrected-for-windows-7Exploit, Technical Description
af854a3a-2127-422b-91ae-364da2661108https://pwnies.com/windows-7-blind-tcp-ip-hijacking/Third Party Advisory
Impacted products
Vendor Product Version
microsoft windows_7 -
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microsoft:windows_7:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "E33796DB-4523-4F04-B564-ADF030553D51",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Windows 7 is vulnerable to a full blind TCP/IP hijacking attack. The vulnerability exists in Windows 7 (any Windows until Windows 8) and in any implementation of TCP/IP, which is vulnerable to the Idle scan attack (including many IoT devices). NOTE: The vendor considers this a low severity issue."
    }
  ],
  "id": "CVE-2023-34367",
  "lastModified": "2026-06-17T06:03:29.587",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 2.5,
        "source": "nvd@nist.gov",
        "type": "Primary"
      },
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          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
          "version": "3.1"
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        "impactScore": 2.5,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
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    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-34367",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-01-06T18:08:41.986862Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2023-06-14T20:15:09.510",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Technical Description",
        "Third Party Advisory"
      ],
      "url": "http://blog.pi3.com.pl/?p=850"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Technical Description"
      ],
      "url": "https://portswigger.net/daily-swig/blind-tcp-ip-hijacking-is-resurrected-for-windows-7"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
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      ],
      "url": "https://pwnies.com/windows-7-blind-tcp-ip-hijacking/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      ],
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    },
    {
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      "tags": [
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        "Technical Description"
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      "url": "https://portswigger.net/daily-swig/blind-tcp-ip-hijacking-is-resurrected-for-windows-7"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://pwnies.com/windows-7-blind-tcp-ip-hijacking/"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.