CVE-2021-40364 Information

Description

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.

CVSS Vector

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

Reference

https://cert-portal.siemens.com/productcert/pdf/ssa-840188.pdf

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.5