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CVE-2010-2100

Status: ModifiedMedium (5)—
Severity5Medium · CVSS 2.0
Exploitation probability2.05 %higher than 81% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found

The (1) htmlentities, (2) htmlspecialchars, (3) str_getcsv, (4) http_build_query, (5) strpbrk, and (6) strtr functions in PHP 5.2 through 5.2.13 and 5.3 through 5.3.2 allow context-dependent attackers to obtain sensitive information (memory contents) by causing a userspace interruption of an internal function, related to the call time pass by reference feature.

CVSS

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

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days
2.05 %
Percentile among all scored CVEs
81
Score date
10/23/2026

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 16 references

Raw JSON (NVD)

Show
{
  "id": "CVE-2010-2100",
  "cveTags": [],
  "metrics": {
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      {
        "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": "2010-05-27T22:30:02.140",
  "references": [
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      "url": "http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00006.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00000.html",
      "source": "cve@mitre.org"
    },
    {
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    },
    {
      "url": "http://php-security.org/2010/05/21/mops-2010-036-php-htmlentities-and-htmlspecialchars-interruption-information-leak-vulnerability/index.html",
      "tags": [
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    },
    {
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      "tags": [
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      "source": "cve@mitre.org"
    },
    {
      "url": "http://php-security.org/2010/05/21/mops-2010-038-php-http_build_query-interruption-information-leak-vulnerability/index.html",
      "tags": [
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      "source": "cve@mitre.org"
    },
    {
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      "tags": [
        "Exploit"
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      "source": "cve@mitre.org"
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    {
      "url": "http://php-security.org/2010/05/21/mops-2010-040-php-strtr-interruption-information-leak-vulnerability/index.html",
      "tags": [
        "Exploit"
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      "source": "cve@mitre.org"
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    {
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://php-security.org/2010/05/21/mops-2010-036-php-htmlentities-and-htmlspecialchars-interruption-information-leak-vulnerability/index.html",
      "tags": [
        "Exploit"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://php-security.org/2010/05/21/mops-2010-037-php-str_getcsv-interruption-information-leak-vulnerability/index.html",
      "tags": [
        "Exploit"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://php-security.org/2010/05/21/mops-2010-038-php-http_build_query-interruption-information-leak-vulnerability/index.html",
      "tags": [
        "Exploit"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://php-security.org/2010/05/21/mops-2010-039-php-strpbrk-interruption-information-leak-vulnerability/index.html",
      "tags": [
        "Exploit"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://php-security.org/2010/05/21/mops-2010-040-php-strtr-interruption-information-leak-vulnerability/index.html",
      "tags": [
        "Exploit"
      ],
      "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": "The (1) htmlentities, (2) htmlspecialchars, (3) str_getcsv, (4) http_build_query, (5) strpbrk, and (6) strtr functions in PHP 5.2 through 5.2.13 and 5.3 through 5.3.2 allow context-dependent attackers to obtain sensitive information (memory contents) by causing a userspace interruption of an internal function, related to the call time pass by reference feature."
    },
    {
      "lang": "es",
      "value": "Las funciones (1) htmlentities, (2) htmlspecialchars, (3) str_getcsv, (4) http_build_query, (5) strpbrk, y (6) strtr en PHP v5.2 hasta v5.2.13 y v5.3 hasta v5.3.2 permite a atacantes dependientes del contexto obtener información sensible (contenidos de memoria) provocando una interrupción del espacio de usuario de una función interna, relativo a la característica paso de tiempo de llamada por referencia."
    }
  ],
  "lastModified": "2026-06-16T23:19:58.950",
  "configurations": [
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        {
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  "sourceIdentifier": "cve@mitre.org"
}