CVE-2020-15786

Description

A vulnerability has been identified in SIMATIC HMI Basic Panels 2nd Generation (incl. SIPLUS variants) (All versions < V16), SIMATIC HMI Comfort Panels (incl. SIPLUS variants) (All versions <= V16), SIMATIC HMI Mobile Panels (All versions <= V16), SIMATIC HMI Unified Comfort Panels (All versions <= V16). Affected devices insufficiently block excessive authentication attempts. This could allow a remote attacker to discover user passwords and obtain access to the Sm@rt Server via a brute-force attack.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.42%
Vendor Advisory siemens.com
Affected: Siemens SIMATIC HMI Basic Panels 2nd Generation (incl. SIPLUS variants)
Affected: Siemens SIMATIC HMI Comfort Panels (incl. SIPLUS variants)
Affected: Siemens SIMATIC HMI Mobile Panels
Affected: Siemens SIMATIC HMI Unified Comfort Panels
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2020-15786?
CVE-2020-15786 has been scored as a critical severity vulnerability.
How to fix CVE-2020-15786?
To fix CVE-2020-15786, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-15786 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-15786 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-15786?
CVE-2020-15786 affects Siemens SIMATIC HMI Basic Panels 2nd Generation (incl. SIPLUS variants), Siemens SIMATIC HMI Comfort Panels (incl. SIPLUS variants), Siemens SIMATIC HMI Mobile Panels, Siemens SIMATIC HMI Unified Comfort Panels.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.