github - ghsa-pmxq-4hqc-9hr4

ghsa-pmxq-4hqc-9hr4

Vulnerability from github

Published

2025-03-24 18:31

Modified

2025-03-24 18:31

Severity ?

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

A use of a cryptographically weak pseudo-random number generator vulnerability in the authenticator of the Identity Based Encryption service of FortiMail 6.4.0 through 6.4.4, and 6.2.0 through 6.2.7 may allow an unauthenticated attacker to infer parts of users authentication tokens and reset their credentials.

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{
  "affected": [],
  "aliases": [
    "CVE-2021-26091"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-338"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-03-24T16:15:16Z",
    "severity": "HIGH"
  },
  "details": "A use of a cryptographically weak pseudo-random number generator vulnerability in the authenticator of the Identity Based Encryption service of FortiMail 6.4.0 through 6.4.4, and 6.2.0 through 6.2.7 may allow an unauthenticated attacker to infer parts of users authentication tokens and reset their credentials.",
  "id": "GHSA-pmxq-4hqc-9hr4",
  "modified": "2025-03-24T18:31:01Z",
  "published": "2025-03-24T18:31:01Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-26091"
    },
    {
      "type": "WEB",
      "url": "https://fortiguard.com/advisory/FG-IR-21-031"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

cve-2021-26091

Vulnerability from cvelistv5

Published

2025-03-24 15:37

Modified

2025-03-31 18:11

Severity ?

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:U/RC:C

Summary

A use of a cryptographically weak pseudo-random number generator vulnerability in the authenticator of the Identity Based Encryption service of FortiMail 6.4.0 through 6.4.4, and 6.2.0 through 6.2.7 may allow an unauthenticated attacker to infer parts of users authentication tokens and reset their credentials.

References

▼	URL	Tags
	https://fortiguard.com/advisory/FG-IR-21-031

Impacted products

▼	Vendor	Product
	Fortinet	FortiMail

Show details on NVD website

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-26091",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-03-31T18:11:46.513539Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-03-31T18:11:58.179Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:fortinet:fortimail:6.4.4:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:6.4.3:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:6.4.2:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:6.4.1:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:6.4.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:6.2.9:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:6.2.8:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:6.2.7:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:6.2.6:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:6.2.5:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:6.2.4:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:6.2.3:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:6.2.2:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:6.2.1:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:6.2.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:6.2.*:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "product": "FortiMail",
          "vendor": "Fortinet",
          "versions": [
            {
              "lessThanOrEqual": "6.4.4",
              "status": "affected",
              "version": "6.4.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.2.9",
              "status": "affected",
              "version": "6.2.0",
              "versionType": "semver"
            },
            {
              "lessThan": "6.2.*",
              "status": "affected",
              "version": "6.2.0",
              "versionType": "semver"
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          ]
        }
      ],
      "descriptions": [
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          "lang": "en",
          "value": "A use of a cryptographically weak pseudo-random number generator vulnerability in the authenticator of the Identity Based Encryption service of FortiMail 6.4.0 through 6.4.4, and 6.2.0 through 6.2.7 may allow an unauthenticated attacker to infer parts of users authentication tokens and reset their credentials."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:U/RC:C",
            "version": "3.1"
          },
          "format": "CVSS"
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      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-338",
              "description": "Improper Access Control",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-03-24T15:37:58.370Z",
        "orgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
        "shortName": "fortinet"
      },
      "references": [
        {
          "name": "https://fortiguard.com/advisory/FG-IR-21-031",
          "url": "https://fortiguard.com/advisory/FG-IR-21-031"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Please upgrade to FortiMail version 7.0.0 or above\nPlease upgrade to FortiMail version 6.4.5 or above"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
    "assignerShortName": "fortinet",
    "cveId": "CVE-2021-26091",
    "datePublished": "2025-03-24T15:37:58.370Z",
    "dateReserved": "2021-01-25T14:47:15.092Z",
    "dateUpdated": "2025-03-31T18:11:58.179Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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