Vulnerability Monitor

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CVE-2021-40359


A vulnerability has been identified in OpenPCS 7 V8.2 (All versions), OpenPCS 7 V9.0 (All versions < V9.0 Upd4), OpenPCS 7 V9.1 (All versions), SIMATIC BATCH V8.2 (All versions), SIMATIC BATCH V9.0 (All versions), SIMATIC BATCH V9.1 (All versions), SIMATIC NET PC Software V14 (All versions), SIMATIC NET PC Software V15 (All versions), SIMATIC NET PC Software V16 (All versions < V16 Update 6), SIMATIC NET PC Software V17 (All versions < V17 SP1), 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 Route Control V8.2 (All versions), SIMATIC Route Control V9.0 (All versions), SIMATIC Route Control V9.1 (All versions), 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). When downloading files, 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 unexpected critical files.


Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.7, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction requiring only low-level privileges . The vulnerability impacts confidentiality (data exposure), for affected systems. Impacting 5 products from siemens, from siemens, from siemens and 2 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2021, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2021-11-09T12:15:09.987

Last Modified

2024-11-21T06:23:56.917

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.7 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: NONE
  • Availability Impact: NONE
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Secondary
    CWE-22
  • Type: Secondary
    CWE-22

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application siemens simatic_batch 8.2 Yes
Application siemens simatic_batch 8.2 Yes
Application siemens simatic_batch 9.0 Yes
Application siemens simatic_batch 9.0 Yes
Application siemens simatic_batch 9.0 Yes
Application siemens simatic_batch 9.0 Yes
Application siemens simatic_batch 9.0 Yes
Application siemens simatic_batch 9.0 Yes
Application siemens simatic_batch 9.1 Yes
Application siemens simatic_net_pc 14 Yes
Application siemens simatic_net_pc 15 Yes
Application siemens simatic_net_pc 16 Yes
Application siemens simatic_net_pc 16 Yes
Application siemens simatic_net_pc 17 Yes
Application siemens simatic_route_control 8.2 Yes
Application siemens simatic_route_control 9.0 Yes
Application siemens simatic_route_control 9.1 Yes
Application siemens simatic_wincc ≤ 7.4 Yes
Application siemens simatic_wincc 7.5 Yes
Application siemens simatic_wincc 7.5 Yes
Application siemens simatic_wincc 7.5 Yes
Application siemens simatic_wincc 7.5 Yes
Application siemens simatic_wincc 7.5 Yes
Application siemens simatic_wincc 7.5 Yes
Application siemens simatic_wincc 7.5 Yes
Application siemens simatic_wincc 7.5 Yes
Application siemens simatic_wincc 7.5 Yes
Application siemens simatic_wincc 7.5 Yes
Application siemens simatic_wincc 15 Yes
Application siemens simatic_wincc 16 Yes
Application siemens simatic_wincc 16 Yes
Application siemens simatic_wincc 16 Yes
Application siemens simatic_wincc 16 Yes
Application siemens simatic_wincc 16 Yes
Application siemens simatic_wincc 17 Yes
Application siemens simatic_wincc 17 Yes
Application siemens simaticpcs_7 ≤ 8.2 Yes
Application siemens simaticpcs_7 < 9.1 Yes
Application siemens simaticpcs_7 9.1 Yes

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For siemens's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.