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[email protected]CVE-2021-25846

HistoryMay 10, 2021 - 11:15 a.m.

CVE-2021-25846

2021-05-1011:15:07

CWE-191

[email protected]

web.nvd.nist.gov

cve-2021-25846

improper validation

chassisid tlv

userdisk

vport_lldpd

moxa camera

denial of service

memcpy function

crafted lldp packet

nvd

7.8 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.2 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

45.6%

JSON

Improper validation of the ChassisID TLV in userdisk/vport_lldpd in Moxa Camera VPort 06EC-2V Series, version 1.1, allows attackers to cause a denial of service due to a negative number passed to the memcpy function via a crafted lldp packet.

Affected configurations

NVD

Node

moxavport_06ec-2v26mMatch-

AND

moxavport_06ec-2v26m_firmwareRange≤1.1

Node

moxavport_06ec-2v36m-tMatch-

AND

moxavport_06ec-2v36m-t_firmwareRange≤1.1

Node

moxavport_06ec-2v36m-ctMatch-

AND

moxavport_06ec-2v36m-ct_firmwareRange≤1.1

Node

moxavport_06ec-2v36m-ct-tMatch-

AND

moxavport_06ec-2v36m-ct-t_firmwareRange≤1.1

Node

moxavport_06ec-2v42mMatch-

AND

moxavport_06ec-2v42m_firmwareRange≤1.1

Node

moxavport_06ec-2v42m-tMatch-

AND

moxavport_06ec-2v42m-t_firmwareRange≤1.1

Node

moxavport_06ec-2v42m-ctMatch-

AND

moxavport_06ec-2v42m-ct_firmwareRange≤1.1

Node

moxavport_06ec-2v42m-ct-tMatch-

AND

moxavport_06ec-2v42m-ct-t_firmwareRange≤1.1

Node

moxavport_06ec-2v60m_firmwareRange≤1.1

AND

moxavport_06ec-2v60mMatch-

Node

moxavport_06ec-2v60m-t_firmwareRange≤1.1

AND

moxavport_06ec-2v60m-tMatch-

Node

moxavport_06ec-2v60m-ct_firmwareRange≤1.1

AND

moxavport_06ec-2v60m-ctMatch-

Node

moxavport_06ec-2v60m-ct-t_firmwareRange≤1.1

AND

moxavport_06ec-2v60m-ct-tMatch-

Node

moxavport_06ec-2v80m_firmwareRange≤1.1

AND

moxavport_06ec-2v80mMatch-

Node

moxavport_06ec-2v80m-t_firmwareRange≤1.1

AND

moxavport_06ec-2v80m-tMatch-

Node

moxavport_06ec-2v80m-ct_firmwareRange≤1.1

AND

moxavport_06ec-2v80m-ctMatch-

Node

moxavport_06ec-2v80m-ct-t_firmwareRange≤1.1

AND

moxavport_06ec-2v80m-ct-tMatch-

CPENameOperatorVersion
moxa:vport_06ec-2v26m_firmwaremoxa vport 06ec-2v26m firmwarele1.1

CPE	Name	Operator	Version
moxa:vport_06ec-2v26m_firmware	moxa vport 06ec-2v26m firmware	le	1.1

References

www.moxa.com/en/

www.moxa.com/en/support/product-support/security-advisory/vport-06ec-2v-series-ip-cameras-vulnerabilities

Social References

7.8 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.2 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

45.6%

JSON

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