Vulnerability-Lookup

FKIE_CVE-2002-0514

Vulnerability from fkie_nvd - Published: 2002-08-12 04:00 - Updated: 2026-06-16 21:57

Severity

Summary

PF in OpenBSD 3.0 with the return-rst rule sets the TTL to 128 in the RST packet, which allows remote attackers to determine if a port is being filtered because the TTL is different than the default TTL.

References

URL	Tags
cve@mitre.org	http://www.iss.net/security_center/static/8738.php	Broken Link, Vendor Advisory
cve@mitre.org	http://www.securityfocus.com/archive/1/265188	Broken Link, Third Party Advisory, VDB Entry, Vendor Advisory
cve@mitre.org	http://www.securityfocus.com/bid/4401	Broken Link, Exploit, Third Party Advisory, VDB Entry, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	http://www.iss.net/security_center/static/8738.php	Broken Link, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	http://www.securityfocus.com/archive/1/265188	Broken Link, Third Party Advisory, VDB Entry, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	http://www.securityfocus.com/bid/4401	Broken Link, Exploit, Third Party Advisory, VDB Entry, Vendor Advisory

Impacted products

	Vendor	Product	Version
	openbsd	openbsd	3.0

JSON

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:openbsd:openbsd:3.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "60DA30A1-3360-46BC-85B7-008D535F95BE",
              "vulnerable": true
            }
          ],
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          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "PF in OpenBSD 3.0 with the return-rst rule sets the TTL to 128 in the RST packet, which allows remote attackers to determine if a port is being filtered because the TTL is different than the default TTL."
    },
    {
      "lang": "es",
      "value": "PF en OpenBSD 3.0 con la regla return-rst establece el TTL (Time to Live) a 128 en el paquete RST, lo que permite a atacantes remotos determinar si un puerto est\u00e1 siendo filtrado porque el TTL es diferente del de por defecto."
    }
  ],
  "id": "CVE-2002-0514",
  "lastModified": "2026-06-16T21:57:35.440",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2002-08-12T04:00:00.000",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link",
        "Vendor Advisory"
      ],
      "url": "http://www.iss.net/security_center/static/8738.php"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link",
        "Third Party Advisory",
        "VDB Entry",
        "Vendor Advisory"
      ],
      "url": "http://www.securityfocus.com/archive/1/265188"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link",
        "Exploit",
        "Third Party Advisory",
        "VDB Entry",
        "Vendor Advisory"
      ],
      "url": "http://www.securityfocus.com/bid/4401"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link",
        "Vendor Advisory"
      ],
      "url": "http://www.iss.net/security_center/static/8738.php"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link",
        "Third Party Advisory",
        "VDB Entry",
        "Vendor Advisory"
      ],
      "url": "http://www.securityfocus.com/archive/1/265188"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link",
        "Exploit",
        "Third Party Advisory",
        "VDB Entry",
        "Vendor Advisory"
      ],
      "url": "http://www.securityfocus.com/bid/4401"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-203"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2002-0514 (GCVE-0-2002-0514)

Vulnerability from cvelistv5 – Published: 2002-06-11 04:00 – Updated: 2024-08-08 02:49

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

3 references

URL	Tags
http://www.securityfocus.com/bid/4401	vdb-entryx_refsource_BID
http://www.securityfocus.com/archive/1/265188	mailing-listx_refsource_BUGTRAQ
http://www.iss.net/security_center/static/8738.php	vdb-entryx_refsource_XF

Date Public

2002-03-31 00:00

Show details on NVD website

JSON

To clipboard

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          {
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          }
        ],
        "title": "CVE Program Container"
      }
    ],
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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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.