GSD-2021-3692

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
yii2 is vulnerable to Use of Predictable Algorithm in Random Number Generator
Aliases
Aliases
CVE-2021-3692
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{
  "GSD": {
    "alias": "CVE-2021-3692",
    "description": "yii2 is vulnerable to Use of Predictable Algorithm in Random Number Generator",
    "id": "GSD-2021-3692"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-3692"
      ],
      "details": "yii2 is vulnerable to Use of Predictable Algorithm in Random Number Generator",
      "id": "GSD-2021-3692",
      "modified": "2023-12-13T01:23:34.138538Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "ASSIGNER": "security@huntr.dev",
        "ID": "CVE-2021-3692",
        "STATE": "PUBLIC",
        "TITLE": "Use of Predictable Algorithm in Random Number Generator in yiisoft/yii2"
      },
      "affects": {
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            {
              "product": {
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                  {
                    "product_name": "yiisoft/yii2",
                    "version": {
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                        {
                          "version_affected": "\u003c=",
                          "version_value": "2.0.42.1"
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      "impact": {
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          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
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                "value": "CWE-1241 Use of Predictable Algorithm in Random Number Generator"
              }
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      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/yiisoft/yii2/commit/13f27e4d920a05d53236139e8b07007acd046a46",
            "refsource": "MISC",
            "url": "https://github.com/yiisoft/yii2/commit/13f27e4d920a05d53236139e8b07007acd046a46"
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      "source": {
        "advisory": "55517f19-5c28-4db2-8b00-f78f841e8aba",
        "discovery": "EXTERNAL"
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003e=2.0.0,\u003c2.0.43",
          "affected_versions": "All versions starting from 2.0.0 before 2.0.43",
          "cvss_v2": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-330",
            "CWE-937"
          ],
          "date": "2022-04-25",
          "description": "yii2 is vulnerable to Use of Predictable Algorithm in Random Number Generator",
          "fixed_versions": [
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          "identifier": "CVE-2021-3692",
          "identifiers": [
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          "not_impacted": "All versions before 2.0.0, all versions starting from 2.0.43",
          "package_slug": "packagist/yiisoft/yii2-dev",
          "pubdate": "2021-08-10",
          "solution": "Upgrade to version 2.0.43 or above.",
          "title": "Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2021-3692",
            "https://huntr.dev/bounties/55517f19-5c28-4db2-8b00-f78f841e8aba"
          ],
          "uuid": "902eaf5a-61f1-4c6f-a53a-e2c1340127ef"
        }
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                "cpe23Uri": "cpe:2.3:a:yiiframework:yii:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "2.0.43",
                "versionStartIncluding": "2.0.0",
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          "reference_data": [
            {
              "name": "https://github.com/yiisoft/yii2/commit/13f27e4d920a05d53236139e8b07007acd046a46",
              "refsource": "MISC",
              "tags": [
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      },
      "impact": {
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          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 5.0,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 1.4
        }
      },
      "lastModifiedDate": "2022-04-25T19:58Z",
      "publishedDate": "2021-08-10T17:15Z"
    }
  }
}


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  • 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.