Path Traversal in Myscada Mydesigner
CVE-2021-41578
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.108 (95.7th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.108 · newest: 0.108 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/jacob-baines/vuln_disclosure/blob/main/vuln_2021_05.txt (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-41578?
- CVE-2021-41578 is a high-severity vulnerability in Myscada Mydesigner, classified under Path Traversal. CVSS score: 7.8/10. Published 2021-10-04.
- How severe is CVE-2021-41578?
- High severity. CVSS v3 base score is 7.8 out of 10.