GSD-2021-22966

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
Privilege escalation from Editor to Admin using Groups in Concrete CMS versions 8.5.6 and below. If a group is granted "view" permissions on the bulkupdate page, then users in that group can escalate to being an administrator with a specially crafted curl. Fixed by adding a check for group permissions before allowing a group to be moved. Concrete CMS Security team CVSS scoring: 7.1 AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:HCredit for discovery: "Adrian Tiron from FORTBRIDGE ( https://www.fortbridge.co.uk/ )"This fix is also in Concrete version 9.0.0
Aliases
Aliases
CVE-2021-22966
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{
  "GSD": {
    "alias": "CVE-2021-22966",
    "description": "Privilege escalation from Editor to Admin using Groups in Concrete CMS versions 8.5.6 and below. If a group is granted \"view\" permissions on the bulkupdate page, then users in that group can escalate to being an administrator with a specially crafted curl. Fixed by adding a check for group permissions before allowing a group to be moved. Concrete CMS Security team CVSS scoring: 7.1 AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:HCredit for discovery: \"Adrian Tiron from FORTBRIDGE ( https://www.fortbridge.co.uk/ )\"This fix is also in Concrete version 9.0.0",
    "id": "GSD-2021-22966"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-22966"
      ],
      "details": "Privilege escalation from Editor to Admin using Groups in Concrete CMS versions 8.5.6 and below. If a group is granted \"view\" permissions on the bulkupdate page, then users in that group can escalate to being an administrator with a specially crafted curl. Fixed by adding a check for group permissions before allowing a group to be moved. Concrete CMS Security team CVSS scoring: 7.1 AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:HCredit for discovery: \"Adrian Tiron from FORTBRIDGE ( https://www.fortbridge.co.uk/ )\"This fix is also in Concrete version 9.0.0",
      "id": "GSD-2021-22966",
      "modified": "2023-12-13T01:23:24.896681Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "ID": "CVE-2021-22966",
        "STATE": "PUBLIC"
      },
      "affects": {
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          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "https://github.com/concrete5/concrete5",
                    "version": {
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                        {
                          "version_value": "Fixed in version 9 and in version 8.5.7"
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      "problemtype": {
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                "value": "Privilege Escalation (CAPEC-233)"
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      "references": {
        "reference_data": [
          {
            "name": "https://documentation.concretecms.org/developers/introduction/version-history/857-release-notes",
            "refsource": "MISC",
            "url": "https://documentation.concretecms.org/developers/introduction/version-history/857-release-notes"
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    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003c8.5.7",
          "affected_versions": "All versions before 8.5.7",
          "cvss_v2": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "cwe_ids": [
            "CWE-1035",
            "CWE-269",
            "CWE-937"
          ],
          "date": "2021-11-23",
          "description": "Privilege escalation from Editor to Admin using Groups in Concrete CMS versions 8.5.6 and below. If a group is granted \"view\" permissions on the bulkupdate page, then users in that group can escalate to being an administrator with a specially crafted curl. Fixed by adding a check for group permissions before allowing a group to be moved. Concrete CMS Security team CVSS scoring: 7.1 AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:HCredit for discovery: \"Adrian Tiron from FORTBRIDGE ( https://www.fortbridge.co.uk/ )\"This fix is also in Concrete version 9.0.0",
          "fixed_versions": [
            "8.5.7"
          ],
          "identifier": "CVE-2021-22966",
          "identifiers": [
            "GHSA-j4mv-2rv7-v2j9",
            "CVE-2021-22966"
          ],
          "not_impacted": "All versions starting from 8.5.7",
          "package_slug": "packagist/concrete5/core",
          "pubdate": "2021-11-23",
          "solution": "Upgrade to version 8.5.7 or above.",
          "title": "Improper Privilege Management",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2021-22966",
            "https://hackerone.com/reports/1362747",
            "https://documentation.concretecms.org/developers/introduction/version-history/857-release-notes",
            "https://github.com/advisories/GHSA-j4mv-2rv7-v2j9"
          ],
          "uuid": "059b4157-7e6b-442c-9eb6-3bee23a1f0e1"
        }
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                "versionEndExcluding": "8.5.7",
                "vulnerable": true
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        "description": {
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              "value": "Privilege escalation from Editor to Admin using Groups in Concrete CMS versions 8.5.6 and below. If a group is granted \"view\" permissions on the bulkupdate page, then users in that group can escalate to being an administrator with a specially crafted curl. Fixed by adding a check for group permissions before allowing a group to be moved. Concrete CMS Security team CVSS scoring: 7.1 AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:HCredit for discovery: \"Adrian Tiron from FORTBRIDGE ( https://www.fortbridge.co.uk/ )\"This fix is also in Concrete version 9.0.0"
            }
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          "reference_data": [
            {
              "name": "https://hackerone.com/reports/1362747",
              "refsource": "MISC",
              "tags": [
                "Permissions Required"
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            },
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              "name": "https://documentation.concretecms.org/developers/introduction/version-history/857-release-notes",
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              "url": "https://documentation.concretecms.org/developers/introduction/version-history/857-release-notes"
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 6.5,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 8.0,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2021-11-23T13:19Z",
      "publishedDate": "2021-11-19T19:15Z"
    }
  }
}



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