CVE-2021-40358
Published: Nov 9, 2021
Modified: Aug 4, 2024
CVSS v3.1
9.9
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). Legitimate file operations on the web server of the affected systems do not properly neutralize special elements within the pathname. An attacker could then cause the pathname to resolve to a location outside of the restricted directory on the server and read, write or delete unexpected critical files.
| Vendor | Product | Versions |
|---|---|---|
Siemens | SIMATIC PCS 7 V8.2 | affected All versions |
Siemens | SIMATIC PCS 7 V9.0 | affected All versions < V9.0 SP3 UC04 |
Siemens | SIMATIC PCS 7 V9.1 | affected All versions < V9.1 SP1 |
Siemens | SIMATIC WinCC V15 and earlier | affected All versions < V15 SP1 Update 7 |
Siemens | SIMATIC WinCC V16 | affected All versions < V16 Update 5 |
Siemens | SIMATIC WinCC V17 | affected All versions < V17 Update 2 |
Siemens | SIMATIC WinCC V7.4 | affected All versions < V7.4 SP1 Update 19 |
Siemens | SIMATIC WinCC V7.5 | affected All versions < V7.5 SP2 Update 5 |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
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