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[email protected]NVD:CVE-2021-41506

HistoryJun 30, 2022 - 1:15 p.m.

CVE-2021-41506

2022-06-3013:15:08

CWE-287

[email protected]

web.nvd.nist.gov

10 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

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

0.003 Low

EPSS

Percentile

68.1%

JSON

Xiaongmai AHB7008T-MH-V2, AHB7804R-ELS, AHB7804R-MH-V2, AHB7808R-MS-V2, AHB7808R-MS, AHB7808T-MS-V2, AHB7804R-LMS, HI3518_50H10L_S39 V4.02.R11.7601.Nat.Onvif.20170420, V4.02.R11.Nat.Onvif.20160422, V4.02.R11.7601.Nat.Onvif.20170424, V4.02.R11.Nat.Onvif.20170327, V4.02.R11.Nat.Onvif.20161205, V4.02.R11.Nat.20170301, V4.02.R12.Nat.OnvifS.20170727 is affected by a backdoor in the macGuarder and dvrHelper binaries of DVR/NVR/IP camera firmware due to static root account credentials in the system.

Affected configurations

NVD

Node

xiongmaitechahb7008t-mh-v2Match-

AND

xiongmaitechahb7008t-mh-v2_firmwareMatch4.02.r11.7601.nat.onvif.20170420

Node

xiongmaitechahb7804r-elsMatch-

AND

xiongmaitechahb7804r-els_firmwareMatch4.02.r11.nat.onvif.20160422

Node

xiongmaitechahb7804r-mh-v2Match-

AND

xiongmaitechahb7804r-mh-v2_firmwareMatch4.02.r11.7601.nat.onvif.20170424

Node

xiongmaitechahb7808r-ms-v2Match-

AND

xiongmaitechahb7808r-ms-v2_firmwareMatch4.02.r11.nat.onvif.20170327

Node

xiongmaitechahb7808r-msMatch-

AND

xiongmaitechahb7808r-ms_firmwareMatch4.02.r11.nat.onvif.20160328

Node

xiongmaitechahb7808t-ms-v2Match-

AND

xiongmaitechahb7808t-ms-v2_firmwareMatch4.02.r11.nat.onvifc.20161205

Node

xiongmaitechahb7804r-lmsMatch-

AND

xiongmaitechahb7804r-lms_firmwareMatch4.02.r11.nat.20170301

Node

xiongmaitechhi3518e_50h10l_s39Match-

AND

xiongmaitechhi3518e_50h10l_s39_firmwareMatch4.02.r12.nat.onvifs.20170727

References

github.com/Snawoot/hisilicon-dvr-telnet

github.com/tothi/hs-dvr-telnet

habr.com/en/post/486856/

www.xiongmaitech.com/en/index.php/news/info/12/68

10 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

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

0.003 Low

EPSS

Percentile

68.1%

JSON

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