Vulnerability-Lookup

FKIE_CVE-2021-28802

Vulnerability from fkie_nvd - Published: 2021-07-01 02:15 - Updated: 2026-06-17 03:46

Severity

9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

A command injection vulnerabilities have been reported to affect QTS and QuTS hero. If exploited, this vulnerability allows attackers to execute arbitrary commands in a compromised application. This issue affects: QNAP Systems Inc. QTS versions prior to 4.5.1.1540 build 20210107. QNAP Systems Inc. QuTS hero versions prior to h4.5.1.1582 build 20210217.

References

	URL	Tags
	security@qnapsecurity.com.tw	https://www.qnap.com/zh-tw/security-advisory/qsa-21-29	Vendor Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://www.qnap.com/zh-tw/security-advisory/qsa-21-29	Vendor Advisory

Impacted products

	Vendor	Product	Version
	qnap	qts	*
	qnap	quts_hero	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "QTS",
          "vendor": "QNAP Systems Inc.",
          "versions": [
            {
              "lessThan": "4.5.1.1540 build 20210107",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "QuTS hero",
          "vendor": "QNAP Systems Inc.",
          "versions": [
            {
              "lessThan": "h4.5.1.1582 build 20210217",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "security@qnapsecurity.com.tw"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "4D1219F8-DC6A-478E-A786-871728DE3D91",
              "versionEndExcluding": "4.5.1.1540",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "4A618DB5-4901-4CAC-BDFB-DE79EE467484",
              "versionEndExcluding": "h4.5.1.1582",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A command injection vulnerabilities have been reported to affect QTS and QuTS hero. If exploited, this vulnerability allows attackers to execute arbitrary commands in a compromised application. This issue affects: QNAP Systems Inc. QTS versions prior to 4.5.1.1540 build 20210107. QNAP Systems Inc. QuTS hero versions prior to h4.5.1.1582 build 20210217."
    },
    {
      "lang": "es",
      "value": "Se ha reportado de una vulnerabilidad de inyecci\u00f3n de comandos que afecta a QTS y QuTS hero. Si es explotada, esta vulnerabilidad permite a atacantes ejecutar comandos arbitrarios en una aplicaci\u00f3n comprometida. Este problema afecta a: QNAP Systems Inc. versiones de QTS anteriores a 4.5.1.1540 build 20210107. QNAP Systems Inc. QuTS hero versiones anteriores a h4.5.1.1582 build 20210217"
    }
  ],
  "id": "CVE-2021-28802",
  "lastModified": "2026-06-17T03:46:53.430",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-07-01T02:15:07.317",
  "references": [
    {
      "source": "security@qnapsecurity.com.tw",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.qnap.com/zh-tw/security-advisory/qsa-21-29"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.qnap.com/zh-tw/security-advisory/qsa-21-29"
    }
  ],
  "sourceIdentifier": "security@qnapsecurity.com.tw",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-78"
        }
      ],
      "source": "security@qnapsecurity.com.tw",
      "type": "Secondary"
    }
  ]
}

CVE-2021-28802 (GCVE-0-2021-28802)

Vulnerability from cvelistv5 – Published: 2021-07-01 02:00 – Updated: 2024-09-16 22:15

Title

Command Injection Vulnerabilities in QTS and QuTS hero

Summary

Severity

No CVSS data available.

CWE

CWE-78 - OS Command Injection

Assigner

qnap mitre root

References

1 reference

URL	Tags
https://www.qnap.com/zh-tw/security-advisory/qsa-21-29	x_refsource_MISC

Impacted products

2 products

Vendor	Product	Version
QNAP Systems Inc.	QTS	Affected: unspecified , < 4.5.1.1540 build 20210107 (custom)
QNAP Systems Inc.	QuTS hero	Affected: unspecified , < h4.5.1.1582 build 20210217 (custom)

Date Public

2021-07-01 00:00

Credits

Jan Hoff

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T21:55:11.459Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.qnap.com/zh-tw/security-advisory/qsa-21-29"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "QTS",
          "vendor": "QNAP Systems Inc.",
          "versions": [
            {
              "lessThan": "4.5.1.1540 build 20210107",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "QuTS hero",
          "vendor": "QNAP Systems Inc.",
          "versions": [
            {
              "lessThan": "h4.5.1.1582 build 20210217",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Jan Hoff"
        }
      ],
      "datePublic": "2021-07-01T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "A command injection vulnerabilities have been reported to affect QTS and QuTS hero. If exploited, this vulnerability allows attackers to execute arbitrary commands in a compromised application. This issue affects: QNAP Systems Inc. QTS versions prior to 4.5.1.1540 build 20210107. QNAP Systems Inc. QuTS hero versions prior to h4.5.1.1582 build 20210217."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-78",
              "description": "CWE-78 OS Command Injection",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-07-01T02:00:20.000Z",
        "orgId": "2fd009eb-170a-4625-932b-17a53af1051f",
        "shortName": "qnap"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.qnap.com/zh-tw/security-advisory/qsa-21-29"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "QNAP have already fixed this vulnerability in the following versions:\n\nQTS 4.5.1.1540 build 20210107 and later\nQuTS hero h4.5.1.1582 build 20210217 and later"
        }
      ],
      "source": {
        "advisory": "QSA-21-29",
        "discovery": "EXTERNAL"
      },
      "title": "Command Injection Vulnerabilities in QTS and QuTS hero",
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@qnap.com",
          "DATE_PUBLIC": "2021-07-01T00:46:00.000Z",
          "ID": "CVE-2021-28802",
          "STATE": "PUBLIC",
          "TITLE": "Command Injection Vulnerabilities in QTS and QuTS hero"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "QTS",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "4.5.1.1540 build 20210107"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "QuTS hero",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "h4.5.1.1582 build 20210217"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "QNAP Systems Inc."
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "Jan Hoff"
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A command injection vulnerabilities have been reported to affect QTS and QuTS hero. If exploited, this vulnerability allows attackers to execute arbitrary commands in a compromised application. This issue affects: QNAP Systems Inc. QTS versions prior to 4.5.1.1540 build 20210107. QNAP Systems Inc. QuTS hero versions prior to h4.5.1.1582 build 20210217."
            }
          ]
        },
        "generator": {
          "engine": "Vulnogram 0.0.9"
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-78 OS Command Injection"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.qnap.com/zh-tw/security-advisory/qsa-21-29",
              "refsource": "MISC",
              "url": "https://www.qnap.com/zh-tw/security-advisory/qsa-21-29"
            }
          ]
        },
        "solution": [
          {
            "lang": "en",
            "value": "QNAP have already fixed this vulnerability in the following versions:\n\nQTS 4.5.1.1540 build 20210107 and later\nQuTS hero h4.5.1.1582 build 20210217 and later"
          }
        ],
        "source": {
          "advisory": "QSA-21-29",
          "discovery": "EXTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "2fd009eb-170a-4625-932b-17a53af1051f",
    "assignerShortName": "qnap",
    "cveId": "CVE-2021-28802",
    "datePublished": "2021-07-01T02:00:20.433Z",
    "dateReserved": "2021-03-18T00:00:00.000Z",
    "dateUpdated": "2024-09-16T22:15:54.877Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.