9.9
CVSSv3

CVE-2021-40358

Published: 09/11/2021 Updated: 11/04/2023
CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10
CVSS v3 Base Score: 9.9 | Impact Score: 6 | Exploitability Score: 3.1
VMScore: 668
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Vulnerability Summary

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 previous versions (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.

Vulnerability Trend

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siemens simatic wincc 7.4

siemens simatic pcs 7 8.2

siemens simatic wincc 7.5

siemens simatic wincc 15.1

siemens simatic pcs 7 9.0

siemens simatic wincc 17

siemens simatic wincc 15

siemens simatic wincc 16

siemens simatic pcs 7 9.1

ICS Advisories