CVE-2019-10922

Name: CVE-2019-10922
Creator: NVD / NIST
Published: 2019-05-14T20:29:02.763+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.64%

Last modified Jun 17, 2026

CVE-2019-10922 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 2.64% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

2.64%

83.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-306

Affected Software

Vendor	Product	Versions
Siemens	Simatic Pcs 7	<= 8.0
Siemens	Simatic Pcs 7	>= 8.1
Siemens	Simatic Wincc	<= 7.2
Siemens	Simatic Wincc	>= 7.3

References

http://www.securityfocus.com/bid/108398Third Party Advisory, VDB Entry
https://cert-portal.siemens.com/productcert/pdf/ssa-705517.pdfMitigation, Vendor Advisory
http://www.securityfocus.com/bid/108398Third Party Advisory, VDB Entry
https://cert-portal.siemens.com/productcert/pdf/ssa-705517.pdfMitigation, Vendor Advisory

Timeline

Published: May 14, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-10922?

How severe is CVE-2019-10922?

CVE-2019-10922 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.64% probability of exploitation in the next 30 days.

How do I fix CVE-2019-10922?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-10922?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST