Vulnerability Details : 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 category: Directory traversalBypassDenial of service
Products affected by CVE-2021-22704
- cpe:2.3:a:schneider-electric:vijeo_designer:*:*:*:*:basic:*:*:*
- cpe:2.3:a:schneider-electric:vijeo_designer:*:*:*:*:*:*:*:*
- cpe:2.3:a:schneider-electric:ecostruxure_machine_expert:*:*:*:*:*:*:*:*
- cpe:2.3:a:schneider-electric:ecostruxure_machine_expert:2.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-22704
0.28%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 68 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-22704
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.4
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:P |
10.0
|
4.9
|
NIST | |
|
9.1
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |
3.9
|
5.2
|
NIST |
CWE ids for CVE-2021-22704
-
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.Assigned by: cybersecurity@se.com (Primary)
References for CVE-2021-22704
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