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CVE-2021-40358

CRITICAL
9.9
CVSS 3.1
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.

Metadata

CVE ID
CVE-2021-40358
State
PUBLISHED
Assigner
siemens
Reserved
2021-09-01 00:00 UTC
Published
2021-11-09 11:32 UTC
Last updated
2024-08-04 02:44 UTC
Primary CWE
CWE-22
CWE-22: Improper Limitation of a Pathname to a Restricted Di…
Vendor / Product
Siemens / SIMATIC PCS 7 V8.2
Sources
cve.org  ·  NVD

Severity & Metrics

9.9 CRITICAL CVSS 3.1
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
Affected products (8)
VendorProductPlatformVersions
Siemens SIMATIC PCS 7 V8.2 — All versions
Siemens SIMATIC PCS 7 V9.0 — All versions < V9.0 SP3 UC04
Siemens SIMATIC PCS 7 V9.1 — All versions < V9.1 SP1
Siemens SIMATIC WinCC V15 and earlier — All versions < V15 SP1 Update 7
Siemens SIMATIC WinCC V16 — All versions < V16 Update 5
Siemens SIMATIC WinCC V17 — All versions < V17 Update 2
Siemens SIMATIC WinCC V7.4 — All versions < V7.4 SP1 Update 19
Siemens SIMATIC WinCC V7.5 — All versions < V7.5 SP2 Update 5
Weakness (CWE)
CWESourceDescription
CWE-22 cna CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVSS scores (1)
ScoreSeverityVersionSourceVector
9.9 CRITICAL 3.1 cna 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
References (1)
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