CVE-2021-27392

moderate-risk
Published 2021-04-22

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.

Do I need to act?

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0.24% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (8)

Siveillance Video Open Network Bridge
Siveillance Video Open Network Bridge
Siveillance Video Open Network Bridge
Siveillance Video Open Network Bridge
Siveillance Video Open Network Bridge
Siveillance Video Open Network Bridge
Siveillance Video Open Network Bridge
Siveillance Video Open Network Bridge

Affected Vendors

Siemens

References (2)

Vendor Advisory https://cert-portal.siemens.com/productcert/pdf/ssa-853866.pdf
Vendor Advisory https://cert-portal.siemens.com/productcert/pdf/ssa-853866.pdf
45
/ 100
moderate-risk
Severity 30/34 · Critical
Exploitability 1/34 · Minimal
Exposure 14/34 · Moderate