CVE-2019-10922

Description

A vulnerability has been identified in SIMATIC PCS 7 V8.0 and earlier (All versions), SIMATIC PCS 7 V8.1 and newer (All versions), SIMATIC WinCC V7.2 and earlier (All versions), SIMATIC WinCC V7.3 and newer (All versions). An attacker with network access to affected installations, which are configured without "Encrypted Communication", can execute arbitrary code. The security vulnerability could be exploited by an unauthenticated attacker with network access to the affected installation. No user interaction is required to exploit this security vulnerability. The vulnerability impacts confidentiality, integrity, and availability of the device. At the time of advisory publication no public exploitation of this security vulnerability was known.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.49% Top 20%
Vendor Advisory siemens.com
Affected: Siemens AG SIMATIC PCS 7 V8.0 and earlier
Affected: Siemens AG SIMATIC PCS 7 V8.1 and newer
Affected: Siemens AG SIMATIC WinCC V7.2 and earlier
Affected: Siemens AG SIMATIC WinCC V7.3 and newer
Published at:
Updated at:

References

Link Tags
https://cert-portal.siemens.com/productcert/pdf/ssa-705517.pdf mitigation vendor advisory
http://www.securityfocus.com/bid/108398 vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2019-10922?
CVE-2019-10922 has been scored as a critical severity vulnerability.
How to fix CVE-2019-10922?
To fix CVE-2019-10922, 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-2019-10922 being actively exploited in the wild?
It is possible that CVE-2019-10922 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-2019-10922?
CVE-2019-10922 affects Siemens AG SIMATIC PCS 7 V8.0 and earlier, Siemens AG SIMATIC PCS 7 V8.1 and newer, Siemens AG SIMATIC WinCC V7.2 and earlier, Siemens AG SIMATIC WinCC V7.3 and newer.
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