Vulnerability · Published Jul 12, 2022 · Assigned by siemens

CVE-2021-44222

Critical 9.1

In plain English

A critical-severity missing authentication in SIMATIC eaSie Core Package from Siemens. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 71% of all known vulnerabilities).

Severity (CVSS NVD)9.1Critical
Exploit odds (30 days)1.3%top 28.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A vulnerability has been identified in SIMATIC eaSie Core Package (All versions < V22.00). The underlying MQTT service of affected systems does not perform authentication in the default configuration. This could allow an unauthenticated remote attacker to send arbitrary messages to the service and thereby issue arbitrary requests in the affected system.

Affected products (as reported)

VendorProductVersions
Siemens SIMATIC eaSie Core Package All versions < V22.00

Weakness: CWE-306

References