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QnapCVE-2021-28798

HistoryMay 21, 2021 - 3:15 a.m.

CVE-2021-28798

2021-05-2103:15:09

CWE-284

CWE-23

CWE-22

qnap

web.nvd.nist.gov

cve-2021-28798

path traversal

qnap nas

qts

quts hero

security

vulnerability

nvd

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.001

Percentile

40.6%

JSON

A relative path traversal vulnerability has been reported to affect QNAP NAS running QTS and QuTS hero. If exploited, this vulnerability allows attackers to modify files that impact system integrity. QNAP have already fixed this vulnerability in the following versions: QTS 4.5.2.1630 Build 20210406 and later QTS 4.3.6.1663 Build 20210504 and later QTS 4.3.3.1624 Build 20210416 and later QuTS hero h4.5.2.1638 Build 20210414 and later QNAP NAS running QTS 4.5.3 are not affected.

Affected configurations

Nvd

Node

qnapqtsRange4.3.2.0144–4.3.3.1624

qnapqtsRange4.3.4.0000–4.3.6.1663

qnapqtsRange4.4.0000–4.5.2.1630

qnapquts_heroRange<h4.5.2.1638

VendorProductVersionCPE
qnapqts*cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnapquts_hero*cpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
qnap	qts	*	cpe:2.3:o:qnap:qts::::::::
qnap	quts_hero	*	cpe:2.3:o:qnap:quts_hero::::::::

CNA Affected

[
  {
    "product": "QTS",
    "vendor": "QNAP Systems Inc.",
    "versions": [
      {
        "lessThan": "4.5.2.1630 Build 20210406",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThan": "4.3.6.1663 Build 20210504",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThan": "4.3.3.1624 Build 20210416",
        "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"
      }
    ]
  }
]

References

www.qnap.com/zh-tw/security-advisory/qsa-21-14

Social References

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.001

Percentile

40.6%

JSON

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