CVE-2021-41506

CVSS V2 High 10 CVSS V3 Critical 9.8
Description
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.
Overview
  • CVE ID
  • CVE-2021-41506
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-06-30T13:15:08
  • Last Modified Date
  • 2022-07-13T17:08:45
Weakness Enumerations
CWE URL
CWE-522 http://cwe.mitre.org/data/definitions/522.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:xiongmaitech:ahb7008t-mh-v2_firmware:4.02.r11.7601.nat.onvif.20170420:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:xiongmaitech:ahb7008t-mh-v2:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:xiongmaitech:ahb7804r-els_firmware:4.02.r11.nat.onvif.20160422:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:xiongmaitech:ahb7804r-els:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:xiongmaitech:ahb7804r-mh-v2_firmware:4.02.r11.7601.nat.onvif.20170424:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:xiongmaitech:ahb7804r-mh-v2:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:xiongmaitech:ahb7808r-ms-v2_firmware:4.02.r11.nat.onvif.20170327:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:xiongmaitech:ahb7808r-ms-v2:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:xiongmaitech:ahb7808r-ms_firmware:4.02.r11.nat.onvif.20160328:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:xiongmaitech:ahb7808r-ms:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:xiongmaitech:ahb7808t-ms-v2_firmware:4.02.r11.nat.onvifc.20161205:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:xiongmaitech:ahb7808t-ms-v2:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:xiongmaitech:ahb7804r-lms_firmware:4.02.r11.nat.20170301:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:xiongmaitech:ahb7804r-lms:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:xiongmaitech:hi3518e_50h10l_s39_firmware:4.02.r12.nat.onvifs.20170727:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:xiongmaitech:hi3518e_50h10l_s39:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:C/I:C/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 10
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 9.8
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 3.9
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
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
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-41506
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41506
History
Created Old Value New Value Data Type Notes
2022-06-30 14:00:11 Added to TrackCVE