Vulnerability in Siemens Siveillance Video Open Network Bridge
CVE-2021-27392
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.012 (66.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 66.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- Siemens Siveillance Video Open Network Bridge — versions 2020 R3, 2020 R2, 2020 R1
- Siemens Siveillance Video Open Network Bridge — versions 2018, 2019, 2020
Weakness classification (CWE)
References
- cert-portal.siemens.com/productcert/pdf/ssa-853866.pdf (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-27392?
- CVE-2021-27392 is a high-severity vulnerability in Siemens Siveillance Video Open Network Bridge, classified under Use of Hard-coded Cryptographic Key. CVSS score: 8.8/10. Published 2021-04-22.
- How severe is CVE-2021-27392?
- High severity. CVSS v3 base score is 8.8 out of 10.