CVE-2021-27392

Published on: 04/22/2021 12:00:00 AM UTC

Last Modified on: 04/30/2021 02:45:00 PM UTC

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

Certain versions of Siveillance Video Open Network Bridge from Siemens contain the following vulnerability:

A vulnerability has been identified in Siveillance Video Open Network Bridge (2020 R3), Siveillance Video Open Network Bridge (2020 R2), Siveillance Video Open Network Bridge (2020 R1), Siveillance Video Open Network Bridge (2019 R3), Siveillance Video Open Network Bridge (2019 R2), Siveillance Video Open Network Bridge (2019 R1), Siveillance Video Open Network Bridge (2018 R3), Siveillance Video Open Network Bridge (2018 R2). Affected Open Network Bridges store user credentials for the authentication between ONVIF clients and ONVIF server using a hard-coded key. The encrypted credentials can be retrieved via the MIP SDK. This could allow an authenticated remote attacker to retrieve and decrypt all credentials stored on the ONVIF server.

  • CVE-2021-27392 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as HIGH severity.

CVSS3 Score: 8.8 - HIGH

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK LOW LOW NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED HIGH HIGH HIGH

CVSS2 Score: 4 - MEDIUM

Access
Vector
Access
Complexity
Authentication
NETWORK LOW SINGLE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
PARTIAL NONE NONE

CVE References

Description Tags Link
cert-portal.siemens.com
application/pdf
URL Logo MISC cert-portal.siemens.com/productcert/pdf/ssa-853866.pdf

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationSiemensSiveillance Video Open Network Bridge2018r2AllAll
ApplicationSiemensSiveillance Video Open Network Bridge2018r3AllAll
ApplicationSiemensSiveillance Video Open Network Bridge2019r1AllAll
ApplicationSiemensSiveillance Video Open Network Bridge2019r2AllAll
ApplicationSiemensSiveillance Video Open Network Bridge2019r3AllAll
ApplicationSiemensSiveillance Video Open Network Bridge2020r1AllAll
ApplicationSiemensSiveillance Video Open Network Bridge2020r2AllAll
ApplicationSiemensSiveillance Video Open Network Bridge2020r3AllAll
  • cpe:2.3:a:siemens:siveillance_video_open_network_bridge:2018:r2:*:*:*:*:*:*:
  • cpe:2.3:a:siemens:siveillance_video_open_network_bridge:2018:r3:*:*:*:*:*:*:
  • cpe:2.3:a:siemens:siveillance_video_open_network_bridge:2019:r1:*:*:*:*:*:*:
  • cpe:2.3:a:siemens:siveillance_video_open_network_bridge:2019:r2:*:*:*:*:*:*:
  • cpe:2.3:a:siemens:siveillance_video_open_network_bridge:2019:r3:*:*:*:*:*:*:
  • cpe:2.3:a:siemens:siveillance_video_open_network_bridge:2020:r1:*:*:*:*:*:*:
  • cpe:2.3:a:siemens:siveillance_video_open_network_bridge:2020:r2:*:*:*:*:*:*:
  • cpe:2.3:a:siemens:siveillance_video_open_network_bridge:2020:r3:*:*:*:*:*:*:

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