« Back to list

CVE-2021-41123

Status: ModifiedMedium (5.3)—

Survey Solutions is a survey management and data collection system. In affected versions the Headquarters application publishes /metrics endpoint available to any user. None of the survey answers are ever exposed, only the aggregate counters, including count of interviews, or count of assignments. Starting from version 21.09.1 the endpoint is turned off by default.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Mysurvey — Survey Solutions

CWEs

References

Raw JSON (NVD)

Show
{
  "id": "CVE-2021-41123",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security-advisories@github.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "security-advisories@github.com",
      "affectedData": [
        {
          "vendor": "surveysolutions",
          "product": "surveysolutions",
          "versions": [
            {
              "status": "affected",
              "version": "< 21.09.1"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-10-04T23:15:08.470",
  "references": [
    {
      "url": "https://github.com/surveysolutions/surveysolutions/commit/99e7e8345cb98f2eda08e37976e3d3aeb49971c9",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/surveysolutions/surveysolutions/security/advisories/GHSA-6c7j-7jf3-9p3j",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/surveysolutions/surveysolutions/commit/99e7e8345cb98f2eda08e37976e3d3aeb49971c9",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/surveysolutions/surveysolutions/security/advisories/GHSA-6c7j-7jf3-9p3j",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Survey Solutions is a survey management and data collection system. In affected versions the Headquarters application publishes /metrics endpoint available to any user. None of the survey answers are ever exposed, only the aggregate counters, including count of interviews, or count of assignments. Starting from version 21.09.1 the endpoint is turned off by default."
    },
    {
      "lang": "es",
      "value": "Survey Solutions es un sistema de administración de encuestas y recogida de datos. En las versiones afectadas, la aplicación de la Sede publica el endpoint /metrics disponible para cualquier usuario. Ninguna de las respuestas de la encuesta es expuesta, sólo los contadores agregados, incluyendo el recuento de entrevistas, o el recuento de asignaciones. A partir de la versión 21.09.1, el endpoint está desactivado por defecto"
    }
  ],
  "lastModified": "2026-06-17T04:07:55.083",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mysurvey:survey_solutions:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "AFC12803-8271-455E-BA3F-1E0CBF6E1EC2",
              "versionEndExcluding": "21.09.1"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security-advisories@github.com"
}