VULNERABILITY INTELLIGENCE
CVE-2021-42022
CVSS score6.5 MEDIUM
EPSS probability0.94%
CISA KEVNot currently listed
Published2021-12-14
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
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.
Weakness classification
- productcert@siemens.com: CWE-22
Primary references
- productcert@siemens.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory