CVE-2021-27392 Hardcoded credentials in Siveillance Video Open Network Bridge
An authenticated remote attacker can retrieve and decrypt stored user credentials due to a hard-coded encryption key in the Open Network Bridge.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-27392?
CVE-2021-27392 is a high-severity vulnerability in Siemens Siveillance Video Open Network Bridge, published on 22 Apr 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Which versions are affected by CVE-2021-27392?
It affects 1 product.
Products include Siemens Siveillance Video Open Network Bridge.
How do I fix CVE-2021-27392?
No fix has been published for CVE-2021-27392 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-27392 being exploited?
There is no known exploitation of CVE-2021-27392 in the wild and no public exploit code.
Sources
Also known as GHSA-5346-4j79-hf8j.