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Medium severity6.5NVD Advisory· Published Dec 14, 2021· Updated Jun 17, 2026

CVE-2021-42022

CVE-2021-42022

Description

A vulnerability has been identified in SIMATIC eaSie PCS 7 Skill Package (All versions < V21.00 SP3). 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. The affected file download function is disabled by default.

Affected products

6
  • Siemens Foundation/SIMATIC eaSie PCS 7 Skill Packagellm-fuzzy2 versions
    < V21.00 SP3+ 1 more
    • (no CPE)range: < V21.00 SP3
    • (no CPE)range: All versions < V21.00 SP3
  • Siemens Foundation/Simatic Easie Pcs 7 Skill4 versions
    cpe:2.3:a:siemens:simatic_easie_pcs_7_skill:*:*:*:*:*:*:*:*+ 3 more
    • cpe:2.3:a:siemens:simatic_easie_pcs_7_skill:*:*:*:*:*:*:*:*range: <=20.07
    • cpe:2.3:a:siemens:simatic_easie_pcs_7_skill:21.00:-:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_easie_pcs_7_skill:21.00:sp1:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_easie_pcs_7_skill:21.00:sp2:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

1

News mentions

0

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