CVE-2021-40364 vulnerability in Siemens Products
Published on November 9, 2021
A vulnerability has been identified in SIMATIC PCS 7 V8.2 (All versions), SIMATIC PCS 7 V9.0 (All versions < V9.0 SP3 UC04), SIMATIC PCS 7 V9.1 (All versions < V9.1 SP1), SIMATIC WinCC V15 and earlier (All versions < V15 SP1 Update 7), SIMATIC WinCC V16 (All versions < V16 Update 5), SIMATIC WinCC V17 (All versions < V17 Update 2), SIMATIC WinCC V7.4 (All versions < V7.4 SP1 Update 19), SIMATIC WinCC V7.5 (All versions < V7.5 SP2 Update 5). The affected systems store sensitive information in log files. An attacker with access to the log files could publicly expose the information or reuse it to develop further attacks on the system.
Weakness Type
Insertion of Sensitive Information into Log File
Information written to log files can be of a sensitive nature and give valuable guidance to an attacker or expose sensitive user information.
Products Associated with CVE-2021-40364
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Affected Versions
Siemens SIMATIC PCS 7 V8.2:- Version All versions is affected.
- Version All versions < V9.0 SP3 UC04 is affected.
- Version All versions < V9.1 SP1 is affected.
- Version All versions < V15 SP1 Update 7 is affected.
- Version All versions < V16 Update 5 is affected.
- Version All versions < V17 Update 2 is affected.
- Version All versions < V7.4 SP1 Update 19 is affected.
- Version All versions < V7.5 SP2 Update 5 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.