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CVE-2021-40357

• Severity: medium (CVSS 4.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-09-14 · updated 2026-06-17
• Weakness: CWE-22

Description

A vulnerability has been identified in Teamcenter Active Workspace V4.3 (All versions < V4.3.10), Teamcenter Active Workspace V5.0 (All versions < V5.0.8), Teamcenter Active Workspace V5.1 (All versions < V5.1.5), Teamcenter Active Workspace V5.2 (All versions < V5.2.1). A path traversal vulnerability in the application could allow an attacker to bypass certain restrictions such as direct access to other services within the host.

Affected products

• Siemens Teamcenter Active Workspace: from 4.3.0 before 4.3.10; from 5.0.0 before 5.0.8; from 5.1.0 before 5.1.5; from 5.2.0 before 5.2.1 — fixed in 4.3.10, 5.0.8, 5.1.5, 5.2.1

How to fix

Upgrade to a fixed version: Siemens Teamcenter Active Workspace 4.3.10, 5.0.8, 5.1.5, 5.2.1. Check the vendor advisory for mitigations.

References

• https://cert-portal.siemens.com/productcert/pdf/ssa-413407.pdf
• https://cert-portal.siemens.com/productcert/pdf/ssa-413407.pdf

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