Path Traversal in Siemens Simatic Easie Pcs 7 Skill
CVE-2021-42022
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.
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.009 (56.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Siemens Simatic_easie_pcs_7_skill — versions 21.00
- Siemens Simatic Easie Pcs 7 Skill Package — versions All versions < V21.00 SP3
Weakness classification (CWE)
References
- productcert@siemens.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-42022?
- CVE-2021-42022 is a medium-severity vulnerability in Siemens Simatic Easie Pcs 7 Skill, classified under Path Traversal. CVSS score: 6.5/10. Published 2021-12-14.
- How severe is CVE-2021-42022?
- Medium severity. CVSS v3 base score is 6.5 out of 10.