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CVE-2021-22255

Status: ModifiedMedium (6.5)—

SSRF in URL file upload in Baserow <1.1.0 allows remote authenticated users to retrieve files from the internal server network exposed over HTTP by inserting an internal address.

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)

Baserow — Baserow

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2021-22255",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "cve@gitlab.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 7.7,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 4,
        "exploitabilityScore": 3.1
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
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  },
  "affected": [
    {
      "source": "cve@gitlab.com",
      "affectedData": [
        {
          "vendor": "Baserow B.V.",
          "product": "Baserow",
          "versions": [
            {
              "status": "affected",
              "version": ">0.6.0, <1.1.0"
            }
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  ],
  "published": "2021-08-20T18:15:07.630",
  "references": [
    {
      "url": "https://baserow.io/blog/march-2021-release-of-baserow",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "source": "cve@gitlab.com"
    },
    {
      "url": "https://gitlab.com/bramw/baserow/-/issues/370",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "source": "cve@gitlab.com"
    },
    {
      "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22255.json",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@gitlab.com"
    },
    {
      "url": "https://baserow.io/blog/march-2021-release-of-baserow",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
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      "tags": [
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22255.json",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-918"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "SSRF in URL file upload in Baserow <1.1.0 allows remote authenticated users to retrieve files from the internal server network exposed over HTTP by inserting an internal address."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de tipo SSRF en la carga de archivos por URL en Baserow versiones anteriores a 1.1.0, permite a usuarios autenticados remotos recuperar archivos de la red de servidores internos expuestos a través de HTTP al insertar una dirección interna."
    }
  ],
  "lastModified": "2026-06-17T03:36:53.717",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:baserow:baserow:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E189F1B8-4C0C-48DF-BEB0-448EB45F80A3",
              "versionEndExcluding": "1.1.0",
              "versionStartIncluding": "0.6.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@gitlab.com"
}