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CVE-1999-1481

Estado: ModificadaMedia (5)—

Squid 2.2.STABLE5 and below, when using external authentication, allows attackers to bypass access controls via a newline in the user/password pair.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

National Science Foundation — Squid WEB Proxy

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-1999-1481",
  "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": "1999-12-31T05:00:00.000",
  "references": [
    {
      "url": "http://www.securityfocus.com/archive/1/33295",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/741",
      "tags": [
        "Exploit",
        "Patch",
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.squid-cache.org/Versions/v2/2.2/bugs/",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/3433",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/33295",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/741",
      "tags": [
        "Exploit",
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.squid-cache.org/Versions/v2/2.2/bugs/",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/3433",
      "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": "Squid 2.2.STABLE5 and below, when using external authentication, allows attackers to bypass access controls via a newline in the user/password pair."
    }
  ],
  "lastModified": "2026-06-16T21:50:32.043",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:national_science_foundation:squid_web_proxy:1.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "907DE399-6B3B-4A6F-AFDD-5BE5FD6E5E57"
            },
            {
              "criteria": "cpe:2.3:a:national_science_foundation:squid_web_proxy:1.0novm:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "391B1569-3599-40E1-91AF-928101723AF7"
            },
            {
              "criteria": "cpe:2.3:a:national_science_foundation:squid_web_proxy:1.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3C80314B-A472-416A-8B7C-E4A240A9ADCD"
            },
            {
              "criteria": "cpe:2.3:a:national_science_foundation:squid_web_proxy:2.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "100F1BA1-3278-4917-9C42-80CEAE72CDB6"
            },
            {
              "criteria": "cpe:2.3:a:national_science_foundation:squid_web_proxy:2.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7676D506-ED4C-4A3B-8CA7-B0E5D9B3156E"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}