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[email protected]CVE-2021-38687

HistoryDec 29, 2021 - 1:15 p.m.

CVE-2021-38687

2021-12-2913:15:08

CWE-120

[email protected]

web.nvd.nist.gov

cve

2021

38687

qnap nas

surveillance station

security

vulnerability

stack buffer overflow

qts

nvd

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.9 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

66.2%

JSON

A stack buffer overflow vulnerability has been reported to affect QNAP NAS running Surveillance Station. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following versions of Surveillance Station: QTS 5.0.0 (64 bit): Surveillance Station 5.2.0.4.2 ( 2021/10/26 ) and later QTS 5.0.0 (32 bit): Surveillance Station 5.2.0.3.2 ( 2021/10/26 ) and later QTS 4.3.6 (64 bit): Surveillance Station 5.1.5.4.6 ( 2021/10/26 ) and later QTS 4.3.6 (32 bit): Surveillance Station 5.1.5.3.6 ( 2021/10/26 ) and later QTS 4.3.3: Surveillance Station 5.1.5.3.6 ( 2021/10/26 ) and later

Affected configurations

NVD

Node

qnapsurveillance_stationRange<5.2.0.4.2

AND

qnapqtsMatch5.0.0x64

Node

qnapsurveillance_stationRange<5.2.0.3.2

AND

qnapqtsMatch5.0.0x86

Node

qnapsurveillance_stationRange<5.1.5.4.6

AND

qnapqtsMatch4.3.6x64

Node

qnapsurveillance_stationRange<5.1.5.3.6

AND

qnapqtsMatch4.3.6x86

Node

qnapsurveillance_stationRange<5.1.5.3.6

AND

qnapqtsMatch4.3.3

CPENameOperatorVersion
qnap:surveillance_stationqnap surveillance stationlt5.2.0.4.2

CPE	Name	Operator	Version
qnap:surveillance_station	qnap surveillance station	lt	5.2.0.4.2

CNA Affected

[
  {
    "platforms": [
      "QTS 5.0 (64 bit)"
    ],
    "product": "Surveillance Station",
    "vendor": "QNAP Systems Inc.",
    "versions": [
      {
        "lessThan": "5.2.0.4.2 ( 2021/10/26 )",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "platforms": [
      "QTS 5.0 (32 bit)"
    ],
    "product": "Surveillance Station",
    "vendor": "QNAP Systems Inc.",
    "versions": [
      {
        "lessThan": "5.2.0.3.2 ( 2021/10/26 )",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "platforms": [
      "QTS 4.3.6 (64 bit)"
    ],
    "product": "Surveillance Station",
    "vendor": "QNAP Systems Inc.",
    "versions": [
      {
        "lessThan": "5.1.5.4.6 ( 2021/10/26 )",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "platforms": [
      "QTS 4.3.6 (32 bit)"
    ],
    "product": "Surveillance Station",
    "vendor": "QNAP Systems Inc.",
    "versions": [
      {
        "lessThan": "5.1.5.3.6 ( 2021/10/26 )",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "platforms": [
      "QTS 4.3.3"
    ],
    "product": "Surveillance Station",
    "vendor": "QNAP Systems Inc.",
    "versions": [
      {
        "lessThan": "5.1.5.3.6 ( 2021/10/26 )",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

www.qnap.com/en/security-advisory/qsa-21-46

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.9 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

66.2%

JSON

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