Path Traversal in Schneider-Electric Ecostruxure Machine Expert
CVE-2021-22704
A CWE-22: Improper Limitation of a Pathname to a Restricted Directory vulnerability exists in Harmony/HMI Products Configured by Vijeo Designer (all versions prior to V6.2 SP11 ), Vijeo Designer Basic (all versions prior to V1.2), or EcoStruxure Machine Expert (all versions prior to V2.0) that could cause a Denial of Service or unauthorized access to system information when connecting to the Harmony HMI over FTP.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.
EPSS exploit prediction
EPSS: 0.013 (68.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 68.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
- Schneider-Electric Ecostruxure Machine Expert — versions 2.0
- Schneider-Electric Harmony Gk
- Schneider-Electric Harmony Gto
- Schneider-Electric Harmony Gtu
- Schneider-Electric Harmony Gtux
- Schneider-Electric Harmony Gxu
- Schneider-Electric Harmony Scu
- Schneider-Electric Harmony Sto
- Schneider-Electric Harmony Stu
- Schneider-Electric Vijeo Designer
Weakness classification (CWE)
References
- download.schneider-electric.com/files (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-22704?
- CVE-2021-22704 is a critical-severity vulnerability in Schneider-Electric Ecostruxure Machine Expert, classified under Path Traversal. CVSS score: 9.1/10. Published 2021-09-02.
- How severe is CVE-2021-22704?
- Critical severity. CVSS v3 base score is 9.1 out of 10.