CVE-2021-41578 in the critical feed json
mySCADA myDESIGNER 8.20.0 and below allows Directory Traversal attacks when importing project files.
published 2021-10-04 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-28593
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 14.5%
- EPSS 14.5% chance of exploitation in 30 days, percentile 96%
- public exploits
- 0
- none known
Summary
mySCADA myDESIGNER 8.20.0 and below allows Directory Traversal attacks when importing project files. If an attacker can trick a victim into importing a malicious mep file, then they gain the ability to write arbitrary files to OS locations where the user has permission. This would typically lead to code execution.
Exploit prediction
14.48% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
github.com
/jacob-baines/vuln_disclosure/blob/main/vuln_2021_05.txt
third-party-advisory
Sources
- CVE List CVE-2021-41578
- NVD CVE-2021-41578
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