CVE-2020-15796

Description

A vulnerability has been identified in SIMATIC ET 200SP Open Controller (incl. SIPLUS variants) (V20.8), SIMATIC S7-1500 Software Controller (V20.8). The web server of the affected products contains a vulnerability that could allow a remote attacker to trigger a denial-of-service condition by sending a specially crafted HTTP request.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.17% Top 25%
Vendor Advisory siemens.com
Affected: Siemens SIMATIC ET 200SP Open Controller (incl. SIPLUS variants)
Affected: Siemens SIMATIC S7-1500 Software Controller
Published at:
Updated at:

References

Link Tags
https://cert-portal.siemens.com/productcert/pdf/ssa-700697.pdf vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-15796?
CVE-2020-15796 has been scored as a high severity vulnerability.
How to fix CVE-2020-15796?
To fix CVE-2020-15796, 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-2020-15796 being actively exploited in the wild?
It is possible that CVE-2020-15796 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-15796?
CVE-2020-15796 affects Siemens SIMATIC ET 200SP Open Controller (incl. SIPLUS variants), Siemens SIMATIC S7-1500 Software Controller.
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