FKIE_CVE-2021-25923

Vulnerability from fkie_nvd - Published: 2021-06-24 11:15 - Updated: 2026-06-17 03:42
Severity
8.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
In OpenEMR, versions 5.0.0 to 6.0.0.1 are vulnerable to weak password requirements as it does not enforce a maximum password length limit. If a malicious user is aware of the first 72 characters of the victim user’s password, he can leverage it to an account takeover.
References
vulnerabilitylab@mend.iohttps://github.com/openemr/openemr/commit/28ca5c008d4a408b60001a67dfd3e0915f9181e0Patch, Third Party Advisory
vulnerabilitylab@mend.iohttps://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25923Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/openemr/openemr/commit/28ca5c008d4a408b60001a67dfd3e0915f9181e0Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25923Exploit, Third Party Advisory
Impacted products
Vendor Product Version
open-emr openemr *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "openemr",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "v5.0.0, v5.0.0.5, v5.0.0.6, v5.0.1, v5.0.1.1, v5.0.1.2, v5.0.1.3, v5.0.1.4, v5.0.1.5, v5.0.1.6, v5.0.1.7, v5.0.2, v5.0.2.1, v5.0.2.2, v5.0.2.3, v5.0.2.4, v6.0.0, v6.0.0.1"
            }
          ]
        }
      ],
      "source": "vulnerabilitylab@mend.io"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:open-emr:openemr:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "58E731FF-CAE5-470F-91F3-B8B749DD273D",
              "versionEndIncluding": "6.0.0.1",
              "versionStartIncluding": "5.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In OpenEMR, versions 5.0.0 to 6.0.0.1 are vulnerable to weak password requirements as it does not enforce a maximum password length limit. If a malicious user is aware of the first 72 characters of the victim user\u2019s password, he can leverage it to an account takeover."
    },
    {
      "lang": "es",
      "value": "En OpenEMR, versiones 5.0.0 hasta 6.0.0.1, son vulnerables a requisitos de contrase\u00f1as d\u00e9biles, ya que no aplica un l\u00edmite de longitud m\u00e1xima de la contrase\u00f1a. Si un usuario malicioso esta consciente los primeros 72 caracteres de la contrase\u00f1a del usuario v\u00edctima, puede aprovecharlos para hacerse con una cuenta"
    }
  ],
  "id": "CVE-2021-25923",
  "lastModified": "2026-06-17T03:42:35.463",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.8,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-06-24T11:15:07.877",
  "references": [
    {
      "source": "vulnerabilitylab@mend.io",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/openemr/openemr/commit/28ca5c008d4a408b60001a67dfd3e0915f9181e0"
    },
    {
      "source": "vulnerabilitylab@mend.io",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25923"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/openemr/openemr/commit/28ca5c008d4a408b60001a67dfd3e0915f9181e0"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25923"
    }
  ],
  "sourceIdentifier": "vulnerabilitylab@mend.io",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-521"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.