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[email protected]CVE-2021-34345

HistorySep 10, 2021 - 4:15 a.m.

CVE-2021-34345

2021-09-1004:15:18

CWE-787

[email protected]

web.nvd.nist.gov

cve-2021-34345

stack buffer overflow

qnap

nvr storage expansion

vulnerability

security

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

9.8 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

71.0%

JSON

A stack buffer overflow vulnerability has been reported to affect QNAP device running NVR Storage Expansion. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following versions of NVR Storage Expansion: NVR Storage Expansion 1.0.6 ( 2021/08/03 ) and later

Affected configurations

NVD

Node

qnapej1600Match-

AND

qnapej1600_firmwareRange<1.0.6

Node

qnaptl-r1620sdcMatch-

AND

qnaptl-r1620sdc_firmwareRange<1.0.6

Node

qnaptl-r1620sep-rpMatch-

AND

qnaptl-r1620sep-rp_firmwareRange<1.0.6

Node

qnaptl-r1220sep-rpMatch-

AND

qnaptl-r1220sep-rp_firmwareRange<1.0.6

Node

qnaptl-d1600sMatch-

AND

qnaptl-d1600s_firmwareRange<1.0.6

Node

qnaptl-d800sMatch-

AND

qnaptl-d800s_firmwareRange<1.0.6

Node

qnaptl-d400sMatch-

AND

qnaptl-d400s_firmwareRange<1.0.6

Node

qnaptl-r1200s-rpMatch-

AND

qnaptl-r1200s-rp_firmwareRange<1.0.6

Node

qnaptl-r400s_firmwareRange<1.0.6

AND

qnaptl-r400sMatch-

Node

qnaptl-r1200c-rp_firmwareRange<1.0.6

AND

qnaptl-r1200c-rpMatch-

Node

qnaptl-d800c_firmwareRange<1.0.6

AND

qnaptl-d800cMatch-

Node

qnaptr-004_firmwareRange<1.0.6

AND

qnaptr-004Match-

Node

qnaptr-002_firmwareRange<1.0.6

AND

qnaptr-002Match-

Node

qnaptr-004u_firmwareRange<1.0.6

AND

qnaptr-004uMatch-

CPENameOperatorVersion
qnap:ej1600_firmwareqnap ej1600 firmwarelt1.0.6

CPE	Name	Operator	Version
qnap:ej1600_firmware	qnap ej1600 firmware	lt	1.0.6

CNA Affected

[
  {
    "product": "NVR Storage Expansion",
    "vendor": "QNAP Systems Inc.",
    "versions": [
      {
        "lessThan": "1.0.6 ( 2021/08/03 )",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

www.qnap.com/en/security-advisory/qsa-21-36

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

9.8 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

71.0%

JSON

Related for CVE-2021-34345

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