CVE-2012-4036

Status: ModifiedMedium (6.8)—

Unrestricted file upload vulnerability in admin.php in PBBoard 2.1.4 allows remote administrators to execute arbitrary PHP code by uploading a file with an executable extension, then accessing it via a direct request to the file in the addons directory. NOTE: this vulnerability can be leveraged by remote attackers using CVE-2012-1216.

CVSS

Version: 2.0
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P
Base score: 6.8

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 2.57%
Percentile among all scored CVEs: 85
Score date: 10/4/2026

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)

Pbboard — Pbboard

CWEs

NVD-CWE-Other

References

Raw JSON (NVD)

Show

{
  "id": "CVE-2012-4036",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "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": "2012-08-27T23:55:02.460",
  "references": [
    {
      "url": "http://osvdb.org/84479",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/50153",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.pbboard.com/forums/t10352.html",
      "tags": [
        "Vendor Advisory",
        "URL Repurposed"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.pbboard.com/forums/t10353.html",
      "tags": [
        "Exploit",
        "URL Repurposed"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/54916",
      "tags": [
        "Exploit"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/77508",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.htbridge.com/advisory/HTB23101",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://osvdb.org/84479",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/50153",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.pbboard.com/forums/t10352.html",
      "tags": [
        "Vendor Advisory",
        "URL Repurposed"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.pbboard.com/forums/t10353.html",
      "tags": [
        "Exploit",
        "URL Repurposed"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/54916",
      "tags": [
        "Exploit"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/77508",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.htbridge.com/advisory/HTB23101",
      "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": "Unrestricted file upload vulnerability in admin.php in PBBoard 2.1.4 allows remote administrators to execute arbitrary PHP code by uploading a file with an executable extension, then accessing it via a direct request to the file in the addons directory.  NOTE: this vulnerability can be leveraged by remote attackers using CVE-2012-1216."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de carga de fichero sin restriciciones en admin.php en PBBoard v2.1.4 permite a los administradores remotos ejecutar código PHP arbitrario mediante la carga de un archivo con una extensión ejecutable, entonces el acceso a través de una solicitud dirigida directamente al archivo en el directorio de addons. NOTA: esta vulnerabilidad puede ser aprovechada por atacantes remotos con CVE-2012-1216."
    }
  ],
  "lastModified": "2026-06-16T23:44:19.040",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:pbboard:pbboard:2.1.4:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "FB25F4DB-EBC8-496E-A49C-DC0DFD2EF043"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "evaluatorComment": "Per: http://cwe.mitre.org/data/definitions/434.html 'CWE-434: Unrestricted Upload of File with Dangerous Type'",
  "sourceIdentifier": "cve@mitre.org"
}