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CVE-2008-3660

Status: ModifiedMedium (5)—
Severity5Medium · CVSS 2.0
Exploitation probability3.35 %higher than 89% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found

PHP 4.4.x before 4.4.9, and 5.x through 5.2.6, when used as a FastCGI module, allows remote attackers to cause a denial of service (crash) via a request with multiple dots preceding the extension, as demonstrated using foo..php.

CVSS

Base score
5
Version
2.0
Vector
AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days
3.35 %
Percentile among all scored CVEs
89
Score date
10/24/2026

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)

PHP — PHP

CWEs

References

Show 62 references

Raw JSON (NVD)

Show
{
  "id": "CVE-2008-3660",
  "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:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "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": "2008-08-15T00:41:00.000",
  "references": [
    {
      "url": "http://bugs.gentoo.org/show_bug.cgi?id=234102",
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    {
      "url": "http://lists.apple.com/archives/security-announce/2009/May/msg00002.html",
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    {
      "url": "http://secunia.com/advisories/31982",
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    {
      "url": "http://secunia.com/advisories/32148",
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "PHP 4.4.x before 4.4.9, and 5.x through 5.2.6, when used as a FastCGI module, allows remote attackers to cause a denial of service (crash) via a request with multiple dots preceding the extension, as demonstrated using foo..php."
    },
    {
      "lang": "es",
      "value": "PHP 4.4.x en versiones anteriores a PHP 4.4.9 y 5.2.6 a través de 5.6, cuando se utiliza como un módulo FastCGI, permite a atacantes remotos provocar una denegación de servicio (con caida de la aplicación) a través de una solicitud con varios puntos precediendo a la extensión, como se demuestra usando foo..php."
    }
  ],
  "lastModified": "2026-06-16T22:56:15.680",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "matchCriteriaId": "78B7BA75-2A32-4A8E-ADF8-BCB4FC48CB5C"
            },
            {
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              "matchCriteriaId": "2BEA491B-77FD-4760-8F6F-3EBC6BD810D9"
            },
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              "vulnerable": true,
              "matchCriteriaId": "BB25CFBB-347C-479E-8853-F49DD6CBD7D4"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "4D2937B3-D034-400E-84F5-33833CE3764D"
            },
            {
              "criteria": "cpe:2.3:a:php:php:4.4.4:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "71AEE8B4-FCF8-483B-8D4C-2E80A02E925E"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "4C2AF1D9-33B6-4B2C-9269-426B6B720164"
            },
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            {
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              "matchCriteriaId": "2E46E4B4-808C-4B47-81D9-EC2B02A5E57B"
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              "vulnerable": true,
              "matchCriteriaId": "6FF30D7F-353B-4496-9A89-4EF2BB279E0A"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "CD02D837-FD28-4E0F-93F8-25E8D1C84A99"
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            {
              "criteria": "cpe:2.3:a:php:php:5.2.1:*:*:*:*:*:*:*",
              "vulnerable": true,
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            },
            {
              "criteria": "cpe:2.3:a:php:php:5.2.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D8B97B03-7DA7-4A5F-89B4-E78CAB20DE17"
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            {
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              "vulnerable": true,
              "matchCriteriaId": "86767200-6C9C-4C3E-B111-0E5BE61E197B"
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            {
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              "matchCriteriaId": "B00B416D-FF23-4C76-8751-26D305F0FA0F"
            },
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          "operator": "OR"
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      ]
    }
  ],
  "evaluatorComment": "Overview contains a typo, should read \"PHP 5.2 through 5.2.6\" not \"5.6 through 5.2.6\".",
  "sourceIdentifier": "cve@mitre.org"
}