CVE-2021-27392 — HIGH (8.8)

Vulnerability Description

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.

CVSS Score

8.8

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Siemens	Siveillance Video Open Network Bridge	2018

Related Weaknesses (CWE)

CWE-321 CWE-798

References

https://cert-portal.siemens.com/productcert/pdf/ssa-853866.pdfVendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-853866.pdfVendor Advisory

FAQ

What is CVE-2021-27392?

CVE-2021-27392 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 Vi...

How severe is CVE-2021-27392?

CVE-2021-27392 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-27392?

Check the references section above for vendor advisories and patch information. Affected products include: Siemens Siveillance Video Open Network Bridge.