CVE-2019-10922: siemens ag simatic pcs 7 v8.0 and earlier

Vulnerability summary

CVE-2019-10922 is a critical (CVSS 9.8) vulnerability in siemens ag simatic pcs 7 v8.0 and earlier. EPSS estimates a 2.64% chance of exploitation in the next 30 days, higher than 85.3% of scored vulnerabilities.

Timeline

1. 14-05-2019
   PublishedVulnerability first disclosed.
2. 04-08-2024
   Last modifiedVulnerability information updated.

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.

• CWE-306Missing Authentication for Critical FunctionThe product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.