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CVE-2011-3780

Status: ModifiedMedium (5)—

PHP iCalendar 2.4 allows remote attackers to obtain sensitive information via a direct request to a .php file, which reveals the installation path in an error message, as demonstrated by rss/rss_common.php and certain other files.

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)

Phpicalendar — PHP Icalendar

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2011-3780",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "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": "2011-09-24T00:55:02.410",
  "references": [
    {
      "url": "http://code.google.com/p/inspathx/source/browse/trunk/paths_vuln/%21_README",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://code.google.com/p/inspathx/source/browse/trunk/paths_vuln/phpicalendar-2.4",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2011/06/27/6",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://code.google.com/p/inspathx/source/browse/trunk/paths_vuln/%21_README",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://code.google.com/p/inspathx/source/browse/trunk/paths_vuln/phpicalendar-2.4",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2011/06/27/6",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "PHP iCalendar 2.4 allows remote attackers to obtain sensitive information via a direct request to a .php file, which reveals the installation path in an error message, as demonstrated by rss/rss_common.php and certain other files."
    },
    {
      "lang": "es",
      "value": "PHP iCalendar v2.4 permite a atacantes remotos obtener información sensible a través de una petición directa a un archivo .php, lo que revela la ruta de instalación en un mensaje de error, como lo demuestra el producto rss/rss_common.php y algunos otros archivos."
    }
  ],
  "lastModified": "2026-06-16T23:33:54.930",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:phpicalendar:php_icalendar:2.4:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "230EE4BD-0F58-4C55-98DF-C453308DCB17"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}