CVE-2021-41527 (GCVE-0-2021-41527)

Vulnerability from cvelistv5 – Published: 2025-02-07 19:44 – Updated: 2025-03-13 13:36
VLAI?
Summary
An error related to the 2-factor authorization (2FA) on the RISC Platform prior to the saas-2021-12-29 release can potentially be exploited to bypass the 2FA. The vulnerability requires that the 2FA setup hasn’t been completed.
Severity ?
2.3 (Low)
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
CWE
  • Missing Critical Step in Authentication
Assigner
References
Impacted products
Vendor Product Version
Flexera RISC Platform Affected: 0 , < saas-2021-12-29 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-41527",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-02-12T16:04:12.815684Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-94",
                "description": "CWE-94 Improper Control of Generation of Code (\u0027Code Injection\u0027)",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-03-13T13:36:22.969Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "RISC Platform",
          "vendor": "Flexera",
          "versions": [
            {
              "lessThan": "saas-2021-12-29",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eAn error related to the 2-factor authorization (2FA) on the \u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eRISC Platform prior to the\u0026nbsp;\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003esaas-2021-12-29 release\u0026nbsp;\u003c/span\u003e\u003c/span\u003ecan potentially be exploited to bypass the 2FA. The vulnerability requires that the 2FA setup hasn\u2019t been completed.\u003c/span\u003e\u003cbr\u003e"
            }
          ],
          "value": "An error related to the 2-factor authorization (2FA) on the RISC Platform prior to the\u00a0saas-2021-12-29 release\u00a0can potentially be exploited to bypass the 2FA. The vulnerability requires that the 2FA setup hasn\u2019t been completed."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-115",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-115 Authentication Bypass"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "baseScore": 2.3,
            "baseSeverity": "LOW",
            "privilegesRequired": "LOW",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "LOW",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Missing Critical Step in Authentication",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-02-07T20:02:43.489Z",
        "orgId": "44d08088-2bea-4760-83a6-1e9be26b15ab",
        "shortName": "flexera"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://community.flexera.com/s/feed/0D5PL00000Nwgg30AB"
        },
        {
          "tags": [
            "related"
          ],
          "url": "https://medium.com/@amroot/cve-2021-41527-flexera-multi-factor-authentication-mfa-bypass-cb9effc3af98"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "2FA bypass on the RISC Platform",
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "44d08088-2bea-4760-83a6-1e9be26b15ab",
    "assignerShortName": "flexera",
    "cveId": "CVE-2021-41527",
    "datePublished": "2025-02-07T19:44:43.401Z",
    "dateReserved": "2021-09-20T20:53:08.236Z",
    "dateUpdated": "2025-03-13T13:36:22.969Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-41527\",\"sourceIdentifier\":\"PSIRT-CNA@flexerasoftware.com\",\"published\":\"2025-02-07T20:15:32.140\",\"lastModified\":\"2025-03-13T14:15:19.540\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An error related to the 2-factor authorization (2FA) on the RISC Platform prior to the\u00a0saas-2021-12-29 release\u00a0can potentially be exploited to bypass the 2FA. The vulnerability requires that the 2FA setup hasn\u2019t been completed.\"},{\"lang\":\"es\",\"value\":\"Un error relacionado con la autorizaci\u00f3n de dos factores (2FA) en la plataforma RISC anterior a la versi\u00f3n saas-2021-12-29 podr\u00eda potencialmente aprovecharse para eludir la 2FA. La vulnerabilidad requiere que la configuraci\u00f3n de la 2FA no se haya completado.\"}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"PSIRT-CNA@flexerasoftware.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"vectorString\":\"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X\",\"baseScore\":2.3,\"baseSeverity\":\"LOW\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"PRESENT\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"NONE\",\"vulnIntegrityImpact\":\"LOW\",\"vulnAvailabilityImpact\":\"NONE\",\"subConfidentialityImpact\":\"NONE\",\"subIntegrityImpact\":\"NONE\",\"subAvailabilityImpact\":\"NONE\",\"exploitMaturity\":\"NOT_DEFINED\",\"confidentialityRequirement\":\"NOT_DEFINED\",\"integrityRequirement\":\"NOT_DEFINED\",\"availabilityRequirement\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedVulnIntegrityImpact\":\"NOT_DEFINED\",\"modifiedVulnAvailabilityImpact\":\"NOT_DEFINED\",\"modifiedSubConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedSubIntegrityImpact\":\"NOT_DEFINED\",\"modifiedSubAvailabilityImpact\":\"NOT_DEFINED\",\"Safety\":\"NOT_DEFINED\",\"Automatable\":\"NOT_DEFINED\",\"Recovery\":\"NOT_DEFINED\",\"valueDensity\":\"NOT_DEFINED\",\"vulnerabilityResponseEffort\":\"NOT_DEFINED\",\"providerUrgency\":\"NOT_DEFINED\"}}]},\"weaknesses\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-94\"}]}],\"references\":[{\"url\":\"https://community.flexera.com/s/feed/0D5PL00000Nwgg30AB\",\"source\":\"PSIRT-CNA@flexerasoftware.com\"},{\"url\":\"https://medium.com/@amroot/cve-2021-41527-flexera-multi-factor-authentication-mfa-bypass-cb9effc3af98\",\"source\":\"PSIRT-CNA@flexerasoftware.com\"}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2021-41527\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-02-12T16:04:12.815684Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-94\", \"description\": \"CWE-94 Improper Control of Generation of Code (\u0027Code Injection\u0027)\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-02-12T16:04:21.759Z\"}}], \"cna\": {\"title\": \"2FA bypass on the RISC Platform\", \"source\": {\"discovery\": \"UNKNOWN\"}, \"impacts\": [{\"capecId\": \"CAPEC-115\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-115 Authentication Bypass\"}]}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV4_0\": {\"Safety\": \"NOT_DEFINED\", \"version\": \"4.0\", \"Recovery\": \"NOT_DEFINED\", \"baseScore\": 2.3, \"Automatable\": \"NOT_DEFINED\", \"attackVector\": \"NETWORK\", \"baseSeverity\": \"LOW\", \"valueDensity\": \"NOT_DEFINED\", \"vectorString\": \"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N\", \"providerUrgency\": \"NOT_DEFINED\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"attackRequirements\": \"PRESENT\", \"privilegesRequired\": \"LOW\", \"subIntegrityImpact\": \"NONE\", \"vulnIntegrityImpact\": \"LOW\", \"subAvailabilityImpact\": \"NONE\", \"vulnAvailabilityImpact\": \"NONE\", \"subConfidentialityImpact\": \"NONE\", \"vulnConfidentialityImpact\": \"NONE\", \"vulnerabilityResponseEffort\": \"NOT_DEFINED\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"Flexera\", \"product\": \"RISC Platform\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"saas-2021-12-29\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://community.flexera.com/s/feed/0D5PL00000Nwgg30AB\", \"tags\": [\"vendor-advisory\"]}, {\"url\": \"https://medium.com/@amroot/cve-2021-41527-flexera-multi-factor-authentication-mfa-bypass-cb9effc3af98\", \"tags\": [\"related\"]}], \"x_generator\": {\"engine\": \"Vulnogram 0.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"An error related to the 2-factor authorization (2FA) on the RISC Platform prior to the\\u00a0saas-2021-12-29 release\\u00a0can potentially be exploited to bypass the 2FA. The vulnerability requires that the 2FA setup hasn\\u2019t been completed.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cspan style=\\\"background-color: rgb(255, 255, 255);\\\"\u003eAn error related to the 2-factor authorization (2FA) on the \u003cspan style=\\\"background-color: rgb(255, 255, 255);\\\"\u003eRISC Platform prior to the\u0026nbsp;\u003cspan style=\\\"background-color: rgb(255, 255, 255);\\\"\u003esaas-2021-12-29 release\u0026nbsp;\u003c/span\u003e\u003c/span\u003ecan potentially be exploited to bypass the 2FA. The vulnerability requires that the 2FA setup hasn\\u2019t been completed.\u003c/span\u003e\u003cbr\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"description\": \"Missing Critical Step in Authentication\"}]}], \"providerMetadata\": {\"orgId\": \"44d08088-2bea-4760-83a6-1e9be26b15ab\", \"shortName\": \"flexera\", \"dateUpdated\": \"2025-02-07T20:02:43.489Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2021-41527\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-03-13T13:36:22.969Z\", \"dateReserved\": \"2021-09-20T20:53:08.236Z\", \"assignerOrgId\": \"44d08088-2bea-4760-83a6-1e9be26b15ab\", \"datePublished\": \"2025-02-07T19:44:43.401Z\", \"assignerShortName\": \"flexera\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.