GSD-2021-29439

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
The Grav admin plugin prior to version 1.10.11 does not correctly verify caller's privileges. As a consequence, users with the permission `admin.login` can install third-party plugins and their dependencies. By installing the right plugin, an attacker can obtain an arbitrary code execution primitive and elevate their privileges on the instance. The vulnerability has been addressed in version 1.10.11. As a mitigation blocking access to the `/admin` path from untrusted sources will reduce the probability of exploitation.
Aliases
Aliases
CVE-2021-29439
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{
  "GSD": {
    "alias": "CVE-2021-29439",
    "description": "The Grav admin plugin prior to version 1.10.11 does not correctly verify caller\u0027s privileges. As a consequence, users with the permission `admin.login` can install third-party plugins and their dependencies. By installing the right plugin, an attacker can obtain an arbitrary code execution primitive and elevate their privileges on the instance. The vulnerability has been addressed in version 1.10.11. As a mitigation blocking access to the `/admin` path from untrusted sources will reduce the probability of exploitation.",
    "id": "GSD-2021-29439"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-29439"
      ],
      "details": "The Grav admin plugin prior to version 1.10.11 does not correctly verify caller\u0027s privileges. As a consequence, users with the permission `admin.login` can install third-party plugins and their dependencies. By installing the right plugin, an attacker can obtain an arbitrary code execution primitive and elevate their privileges on the instance. The vulnerability has been addressed in version 1.10.11. As a mitigation blocking access to the `/admin` path from untrusted sources will reduce the probability of exploitation. ",
      "id": "GSD-2021-29439",
      "modified": "2023-12-13T01:23:36.996404Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "ID": "CVE-2021-29439",
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      },
      "affects": {
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            {
              "product": {
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                  {
                    "product_name": "grav-plugin-admin",
                    "version": {
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                        {
                          "version_affected": "=",
                          "version_value": "\u003c 1.10.11"
                        }
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              "vendor_name": "getgrav"
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            "value": "The Grav admin plugin prior to version 1.10.11 does not correctly verify caller\u0027s privileges. As a consequence, users with the permission `admin.login` can install third-party plugins and their dependencies. By installing the right plugin, an attacker can obtain an arbitrary code execution primitive and elevate their privileges on the instance. The vulnerability has been addressed in version 1.10.11. As a mitigation blocking access to the `/admin` path from untrusted sources will reduce the probability of exploitation. "
          }
        ]
      },
      "impact": {
        "cvss": [
          {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
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                "cweId": "CWE-863",
                "lang": "eng",
                "value": "CWE-863: Incorrect Authorization"
              }
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        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/getgrav/grav-plugin-admin/security/advisories/GHSA-wg37-cf5x-55hq",
            "refsource": "MISC",
            "url": "https://github.com/getgrav/grav-plugin-admin/security/advisories/GHSA-wg37-cf5x-55hq"
          },
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            "refsource": "MISC",
            "url": "https://github.com/getgrav/grav-plugin-admin/commit/a220359877fd1281f76ba732e5308e0e3002e4b1"
          }
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      },
      "source": {
        "advisory": "GHSA-wg37-cf5x-55hq",
        "discovery": "UNKNOWN"
      }
    },
    "nvd.nist.gov": {
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        "nodes": [
          {
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            "cpe_match": [
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                "cpe23Uri": "cpe:2.3:a:getgrav:grav_admin:*:*:*:*:*:*:*:*",
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                "vulnerable": true
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        "description": {
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              "value": "The Grav admin plugin prior to version 1.10.11 does not correctly verify caller\u0027s privileges. As a consequence, users with the permission `admin.login` can install third-party plugins and their dependencies. By installing the right plugin, an attacker can obtain an arbitrary code execution primitive and elevate their privileges on the instance. The vulnerability has been addressed in version 1.10.11. As a mitigation blocking access to the `/admin` path from untrusted sources will reduce the probability of exploitation. "
            }
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        },
        "problemtype": {
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              "url": "https://github.com/getgrav/grav-plugin-admin/commit/a220359877fd1281f76ba732e5308e0e3002e4b1"
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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": 7.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.2,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2023-11-06T22:15Z",
      "publishedDate": "2021-04-13T20:15Z"
    }
  }
}



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