Log File Exposure in Siemens SIMATIC Products
CVE-2021-40364

5.5MEDIUM

Key Information:

Vendor

Siemens
Status
Simatic Pcs 7 V8.2
Simatic Pcs 7 V9.0
Simatic Pcs 7 V9.1
Simatic Wincc V15 And Earlier
Vendor
CVE Published:
9 November 2021

What is CVE-2021-40364?

A vulnerability exists in various versions of Siemens SIMATIC PCS 7 and WinCC products, where sensitive information is improperly stored in log files. If an attacker gains access to these log files, they can potentially expose sensitive data or leverage this information to initiate further attacks, posing a significant risk to system integrity and confidentiality.

Affected Version(s)

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

References

https://cert-portal.siemens.com/productcert/pdf/ssa-84018...

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.