CVE-2007-3951

Status: ModifiedHigh (7.5)—

Multiple buffer overflows in Norman Antivirus 5.90 allow remote attackers to execute arbitrary code via a crafted (1) ACE or (2) LZH file, resulting from an "integer cast around."

CVSS

Version: 2.0
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Base score: 7.5

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 9.25%
Percentile among all scored CVEs: 95
Score date: 10/5/2026

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)

Norman — Norman Virus Control

CWEs

NVD-CWE-Other

References

Raw JSON (NVD)

Show

{
  "id": "CVE-2007-3951",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2007-07-24T17:30:00.000",
  "references": [
    {
      "url": "http://osvdb.org/37982",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://osvdb.org/37983",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/26178",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://securityreason.com/securityalert/2912",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.nruns.com/security_advisory_Norman_all_ace_buffer_overflow.php",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.nruns.com/security_advisory_norman_antivirus_lzh_buffer_overflow.php",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/474423/100/0/threaded",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/474432/100/0/threaded",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/25003",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/25015",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securitytracker.com/id?1018438",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2007/2619",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/35559",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/35561",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://osvdb.org/37982",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://osvdb.org/37983",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/26178",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://securityreason.com/securityalert/2912",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.nruns.com/security_advisory_Norman_all_ace_buffer_overflow.php",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.nruns.com/security_advisory_norman_antivirus_lzh_buffer_overflow.php",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/474423/100/0/threaded",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/474432/100/0/threaded",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/25003",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/25015",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id?1018438",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2007/2619",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/35559",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/35561",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Multiple buffer overflows in Norman Antivirus 5.90 allow remote attackers to execute arbitrary code via a crafted (1) ACE or (2) LZH file, resulting from an \"integer cast around.\""
    },
    {
      "lang": "es",
      "value": "Múltiples desbordamientos de búfer en Norman Antivirus 5.90 permite a atacantes remotos ejecutar código de su elección a través de archivos (1) ACE o (2) LZH manipulados, como resultado de un \"redondedo del enterio lanzado\"."
    }
  ],
  "lastModified": "2026-06-16T22:43:07.253",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:norman:norman_virus_control:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4D2B7D3C-1B9F-4BC1-B42C-0BC62E39B0B5",
              "versionEndIncluding": "5.90"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}