CVE-2021-28799 Improper Authorization Vulnerability in HBS 3 (Hybrid Backup Sync)

2021-04-2200:00:00

CWE-285

qnap

www.cve.org

10 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

9.5 High

AI Score

Confidence

High

0.88 High

EPSS

Percentile

98.7%

JSON

An improper authorization vulnerability has been reported to affect QNAP NAS running HBS 3 (Hybrid Backup Sync. ) If exploited, the vulnerability allows remote attackers to log in to a device. This issue affects: QNAP Systems Inc. HBS 3 versions prior to v16.0.0415 on QTS 4.5.2; versions prior to v3.0.210412 on QTS 4.3.6; versions prior to v3.0.210411 on QTS 4.3.4; versions prior to v3.0.210411 on QTS 4.3.3; versions prior to v16.0.0419 on QuTS hero h4.5.1; versions prior to v16.0.0419 on QuTScloud c4.5.1~c4.5.4. This issue does not affect: QNAP Systems Inc. HBS 2 . QNAP Systems Inc. HBS 1.3 .

CNA Affected

[
  {
    "platforms": [
      "QTS 4.5.2"
    ],
    "product": "HBS 3",
    "vendor": "QNAP Systems Inc.",
    "versions": [
      {
        "lessThan": "v16.0.0415",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "platforms": [
      "QTS 4.3.6"
    ],
    "product": "HBS 3",
    "vendor": "QNAP Systems Inc.",
    "versions": [
      {
        "lessThan": "v3.0.210412",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "platforms": [
      "QTS 4.3.4"
    ],
    "product": "HBS 3",
    "vendor": "QNAP Systems Inc.",
    "versions": [
      {
        "lessThan": "v3.0.210411",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "platforms": [
      "QTS 4.3.3"
    ],
    "product": "HBS 3",
    "vendor": "QNAP Systems Inc.",
    "versions": [
      {
        "lessThan": "v3.0.210411",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "platforms": [
      "QuTS hero h4.5.1"
    ],
    "product": "HBS 3",
    "vendor": "QNAP Systems Inc.",
    "versions": [
      {
        "lessThan": "v16.0.0419",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "platforms": [
      "QuTScloud c4.5.1~c4.5.4"
    ],
    "product": "HBS 3",
    "vendor": "QNAP Systems Inc.",
    "versions": [
      {
        "lessThan": "v16.0.0419",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "HBS 2",
    "vendor": "QNAP Systems Inc.",
    "versions": [
      {
        "status": "unaffected",
        "version": "all versions"
      }
    ]
  },
  {
    "product": "HBS 1.3",
    "vendor": "QNAP Systems Inc.",
    "versions": [
      {
        "status": "unaffected",
        "version": "all versions"
      }
    ]
  }
]