CVEs / CVE-2021-41578
CVE-2021-41578: n/a n/a vulnerability
- high 7.8 CVSS 3.1 (NVD)
- EPSS 14.4% chance of exploitation in the next 30 days, higher than 96% of CVEs (1 Nov 2026)
- Last changed at its sources
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Description
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.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| n/a n/a | n/a | — |
Exploitation
Not in the CISA Known Exploited Vulnerabilities catalog as of 30 Oct 2026.
Severity
| CVSS 3.1 | 7.8 highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-22 |
References
- CVE-2021-41578 on NVD
- https://github.com/jacob-baines/vuln_disclosure/blob/main/vuln_2021_05.txt Third Party Advisory
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.