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QnapCVE-2021-34359

HistoryFeb 25, 2022 - 6:15 a.m.

CVE-2021-34359

2022-02-2506:15:06

CWE-79

qnap

web.nvd.nist.gov

cve-2021-34359

cross-site scripting

xss

qnap

proxy server

vulnerability

security

nvd

qts 4.5.x

CVSS2

3.5

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:S/C:N/I:P/A:N

CVSS3

6.9

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

0.001

Percentile

29.2%

JSON

A cross-site scripting (XSS) vulnerability has been reported to affect QNAP device running Proxy Server. If exploited, this vulnerability allows remote attackers to inject malicious code. We have already fixed this vulnerability in the following versions of Proxy Server: QTS 4.5.x: Proxy Server 1.4.2 ( 2021/12/30 ) and later

Affected configurations

Nvd

Node

qnapqtsRange4.5.1–4.5.4

AND

qnapnas_proxy_serverRange<1.4.2

VendorProductVersionCPE
qnapqts*cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnapnas_proxy_server*cpe:2.3:a:qnap:nas_proxy_server:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
qnap	qts	*	cpe:2.3:o:qnap:qts::::::::
qnap	nas_proxy_server	*	cpe:2.3:a:qnap:nas_proxy_server::::::::

CNA Affected

[
  {
    "platforms": [
      "QTS 4.5.x"
    ],
    "product": "Proxy Server",
    "vendor": "QNAP Systems Inc.",
    "versions": [
      {
        "lessThan": "1.4.2 ( 2021/12/30 )",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

www.qnap.com/en/security-advisory/qsa-22-04

CVSS2

3.5

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:S/C:N/I:P/A:N

CVSS3

6.9

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

0.001

Percentile

29.2%

JSON

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