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[email protected]CVE-2021-27734

HistoryMay 17, 2021 - 3:15 p.m.

CVE-2021-27734

2021-05-1715:15:07

CWE-287

[email protected]

web.nvd.nist.gov

hirschmann

hios

hisecos

remote attack

credential change

vulnerability

cve-2021-27734

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

9.4 High

AI Score

Confidence

High

0.009 Low

EPSS

Percentile

82.5%

JSON

Hirschmann HiOS 07.1.01, 07.1.02, and 08.1.00 through 08.5.xx and HiSecOS 03.3.00 through 03.5.01 allow remote attackers to change the credentials of existing users.

Affected configurations

NVD

Node

beldenhirschmann_hiosRange08.1.00–08.6.00

beldenhirschmann_hiosMatch07.1.01

beldenhirschmann_hiosMatch07.1.02

beldenhisecosRange03.3.00–03.5.01

CPENameOperatorVersion
belden:hirschmann_hiosbelden hirschmann hioslt08.6.00
belden:hirschmann_hiosbelden hirschmann hioseq07.1.01
belden:hirschmann_hiosbelden hirschmann hioseq07.1.02
belden:hisecosbelden hisecosle03.5.01

CPE	Name	Operator	Version
belden:hirschmann_hios	belden hirschmann hios	lt	08.6.00
belden:hirschmann_hios	belden hirschmann hios	eq	07.1.01
belden:hirschmann_hios	belden hirschmann hios	eq	07.1.02
belden:hisecos	belden hisecos	le	03.5.01

References

dam.belden.com/dmm3bwsv3/assetstream.aspx?assetid=12914&mediaformatid=50063&destinationid=10016

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

9.4 High

AI Score

Confidence

High

0.009 Low

EPSS

Percentile

82.5%

JSON

Related for CVE-2021-27734

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