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CVE-2023-0662

Status: ModifiedHigh (7.5)—

In PHP 8.0.X before 8.0.28, 8.1.X before 8.1.16 and 8.2.X before 8.2.3, excessive number of parts in HTTP form upload can cause high resource consumption and excessive number of log entries. This can cause denial of service on the affected server by exhausting CPU resources or disk space.

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)

PHP — PHP

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2023-0662",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-0662",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-03-18T14:57:39.345829Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security@php.net",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "security@php.net",
      "affectedData": [
        {
          "repo": "https://github.com/php/php-src",
          "vendor": "PHP Group",
          "product": "PHP",
          "versions": [
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              "status": "affected",
              "version": "8.0.x",
              "lessThan": "8.0.28",
              "versionType": "semver"
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              "version": "8.1.x",
              "lessThan": "8.1.16",
              "versionType": "semver"
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              "status": "affected",
              "version": "8.2.x",
              "lessThan": "8.2.3",
              "versionType": "semver"
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  ],
  "published": "2023-02-16T07:15:10.577",
  "references": [
    {
      "url": "https://github.com/php/php-src/security/advisories/GHSA-54hq-v5wp-fqgv",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "security@php.net"
    },
    {
      "url": "https://security.netapp.com/advisory/ntap-20230517-0001/",
      "source": "security@php.net"
    },
    {
      "url": "https://github.com/php/php-src/security/advisories/GHSA-54hq-v5wp-fqgv",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "https://security.netapp.com/advisory/ntap-20230517-0001/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@php.net",
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
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    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In PHP 8.0.X before 8.0.28, 8.1.X before 8.1.16 and 8.2.X before 8.2.3, excessive number of parts in HTTP form upload can cause high resource consumption and excessive number of log entries. This can cause denial of service on the affected server by exhausting CPU resources or disk space."
    }
  ],
  "lastModified": "2026-06-17T05:26:02.293",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "BBCCD85D-5679-42EE-B6C6-A9A309E2B4BC",
              "versionEndExcluding": "8.0.28",
              "versionStartIncluding": "8.0.0"
            },
            {
              "criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "EDC7B443-3E3C-4888-AC9B-7415D2C5C059",
              "versionEndExcluding": "8.1.16",
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            },
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              "versionEndExcluding": "8.2.3",
              "versionStartIncluding": "8.2.0"
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          ],
          "operator": "OR"
        }
      ]
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  ],
  "sourceIdentifier": "security@php.net"
}