GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

FKIE_CVE-2020-36194

Vulnerability from fkie_nvd - Published: 2021-07-01 02:15 - Updated: 2026-06-17 03:14
Summary
An XSS vulnerability has been reported to affect QNAP NAS running QTS and QuTS hero. If exploited, this vulnerability allows attackers to inject malicious code. This issue affects: QNAP Systems Inc. QTS versions prior to 4.5.2.1566 Build 20210202. QNAP Systems Inc. QuTS hero versions prior to h4.5.2.1638 build 20210414. This issue does not affect: QNAP Systems Inc. QTS 4.5.3.
Impacted products
Vendor Product Version
qnap qts *
qnap quts_hero *

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "QTS",
          "vendor": "QNAP Systems Inc.",
          "versions": [
            {
              "lessThan": "4.5.2.1566 Build 20210202",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            },
            {
              "status": "unaffected",
              "version": "4.5.3"
            }
          ]
        },
        {
          "product": "QuTS hero",
          "vendor": "QNAP Systems Inc.",
          "versions": [
            {
              "lessThan": "h4.5.2.1638 build 20210414",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "security@qnapsecurity.com.tw"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "26415FA9-8433-4E37-B8AD-B82720A27C1A",
              "versionEndExcluding": "4.5.2.1566",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "ADA7C3AF-799D-4A93-AA53-EBDCC7967F04",
              "versionEndExcluding": "h4.5.2.1638",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An XSS vulnerability has been reported to affect QNAP NAS running QTS and QuTS hero. If exploited, this vulnerability allows attackers to inject malicious code. This issue affects: QNAP Systems Inc. QTS versions prior to 4.5.2.1566 Build 20210202. QNAP Systems Inc. QuTS hero versions prior to h4.5.2.1638 build 20210414. This issue does not affect: QNAP Systems Inc. QTS 4.5.3."
    },
    {
      "lang": "es",
      "value": "Se ha reportado de una vulnerabilidad de tipo XSS que afecta a NAS de QNAP que ejecutan QTS y QuTS hero. Si es explotada, esta vulnerabilidad permite a atacantes inyectar c\u00f3digo malicioso. Este problema afecta: QNAP Systems Inc. Versiones de QTS anteriores a 4.5.2.1566 Build 20210202. versiones de QNAP Systems Inc. QuTS hero anteriores a h4.5.2.1638 build 20210414. Este problema no afecta: QNAP Systems Inc. versi\u00f3n QTS 4.5.3"
    }
  ],
  "id": "CVE-2020-36194",
  "lastModified": "2026-06-17T03:14:58.777",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.1,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.7,
        "source": "security@qnapsecurity.com.tw",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.1,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.7,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-07-01T02:15:07.157",
  "references": [
    {
      "source": "security@qnapsecurity.com.tw",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.qnap.com/zh-tw/security-advisory/qsa-21-32"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.qnap.com/zh-tw/security-advisory/qsa-21-32"
    }
  ],
  "sourceIdentifier": "security@qnapsecurity.com.tw",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "security@qnapsecurity.com.tw",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


Loading…