Is CVE-2021-27392 in the CISA KEV catalog?

No. CVE-2021-27392 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-27392?

CVE-2021-27392 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2021-27392?

CVE-2021-27392 has an EPSS score of 1.18% (64th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2021-27392?

No published fix for CVE-2021-27392 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2021-27392

HIGH

8.8

CVSS v3

NVD

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.

CWE-321 CWE-798Hard-coded Credentials

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.18%probability of exploitation in 30 days

64thpercentile

Moderate risk: more likely to be exploited than 64% of all known CVEs.

References

Vendor Advisory1

cert-portal.siemens.com

Embed a live status badge for CVE-2021-27392

Markdown

[![CVE-2021-27392](https://tridentstack.com/cve/badge/CVE-2021-27392.svg)](https://tridentstack.com/cve/CVE-2021-27392)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-27392"><img src="https://tridentstack.com/cve/badge/CVE-2021-27392.svg" alt="CVE-2021-27392"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.