Vulnerability Details CVE-2021-41506
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.01
EPSS Ranking 76.0%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 10.0
References
- https://github.com/Snawoot/hisilicon-dvr-telnet
- https://github.com/tothi/hs-dvr-telnet
- https://habr.com/en/post/486856/
- https://www.xiongmaitech.com/en/index.php/news/info/12/68
- https://github.com/Snawoot/hisilicon-dvr-telnet
- https://github.com/tothi/hs-dvr-telnet
- https://habr.com/en/post/486856/
- https://www.xiongmaitech.com/en/index.php/news/info/12/68
Products affected by CVE-2021-41506
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cpe:2.3:h:xiongmaitech:ahb7008t-mh-v2:-
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cpe:2.3:h:xiongmaitech:ahb7804r-els:-
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cpe:2.3:h:xiongmaitech:ahb7804r-lms:-
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cpe:2.3:h:xiongmaitech:ahb7804r-mh-v2:-
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cpe:2.3:h:xiongmaitech:ahb7808r-ms-v2:-
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cpe:2.3:h:xiongmaitech:ahb7808r-ms:-
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cpe:2.3:h:xiongmaitech:ahb7808t-ms-v2:-
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cpe:2.3:h:xiongmaitech:hi3518e_50h10l_s39:-
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cpe:2.3:o:xiongmaitech:ahb7008t-mh-v2_firmware:4.02.r11.7601.nat.onvif.20170420
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cpe:2.3:o:xiongmaitech:ahb7804r-els_firmware:4.02.r11.nat.onvif.20160422
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cpe:2.3:o:xiongmaitech:ahb7804r-lms_firmware:4.02.r11.nat.20170301
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cpe:2.3:o:xiongmaitech:ahb7804r-mh-v2_firmware:4.02.r11.7601.nat.onvif.20170424
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cpe:2.3:o:xiongmaitech:ahb7808r-ms-v2_firmware:4.02.r11.nat.onvif.20170327
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cpe:2.3:o:xiongmaitech:ahb7808r-ms_firmware:4.02.r11.nat.onvif.20160328
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cpe:2.3:o:xiongmaitech:ahb7808t-ms-v2_firmware:4.02.r11.nat.onvifc.20161205
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cpe:2.3:o:xiongmaitech:hi3518e_50h10l_s39_firmware:4.02.r12.nat.onvifs.20170727