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CVE-2007-4995

Status: ModifiedHigh (9.3)—

Off-by-one error in the DTLS implementation in OpenSSL 0.9.8 before 0.9.8f allows remote attackers to execute arbitrary code via unspecified vectors.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Openssl — Openssl

CWEs

References

Raw JSON (NVD)

Show
{
  "id": "CVE-2007-4995",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 9.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": true,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
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      "affectedData": [
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          "vendor": "n/a",
          "product": "n/a",
          "versions": [
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              "status": "affected",
              "version": "n/a"
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  "published": "2007-10-13T01:17:00.000",
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-189"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Off-by-one error in the DTLS implementation in OpenSSL 0.9.8 before 0.9.8f allows remote attackers to execute arbitrary code via unspecified vectors."
    },
    {
      "lang": "es",
      "value": "Un error por un paso en la implementación de DTLS en OpenSSL versiones 0.9.8 anteriores a 0.9.8f, permite a atacantes remotos ejecutar código arbitrario por medio de vectores no especificados."
    }
  ],
  "lastModified": "2026-06-16T22:45:14.687",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:openssl:openssl:0.9.8:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8A4E446D-B9D3-45F2-9722-B41FA14A6C31"
            },
            {
              "criteria": "cpe:2.3:a:openssl:openssl:0.9.8a:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "AF4EA988-FC80-4170-8933-7C6663731981"
            },
            {
              "criteria": "cpe:2.3:a:openssl:openssl:0.9.8b:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "64F8F53B-24A1-4877-B16E-F1917C4E4E81"
            },
            {
              "criteria": "cpe:2.3:a:openssl:openssl:0.9.8c:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "75D3ACD5-905F-42BB-BE1A-8382E9D823BF"
            },
            {
              "criteria": "cpe:2.3:a:openssl:openssl:0.9.8d:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "766EA6F2-7FA4-4713-9859-9971CCD2FDCB"
            },
            {
              "criteria": "cpe:2.3:a:openssl:openssl:0.9.8e:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "EFBC30B7-627D-48DC-8EF0-AE8FA0C6EDBA"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "vendorComments": [
    {
      "comment": "This issue did not affect the versions of OpenSSL as shipped with Red Hat Enterprise Linux 2.1, 3, or 4.  An update to correct this issue for Enterprise Linux 5 is available.\nhttp://rhn.redhat.com/cve/CVE-2007-4995.html\n\nPlease note that the CVE description is incorrect, this issue did not affect upstream versions of OpenSSL prior to 0.9.8.",
      "lastModified": "2007-10-24T00:00:00",
      "organization": "Red Hat"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com"
}