Arbitrary file upload in Primasystems Flexair
CVE-2019-9189
Prima Systems FlexAir, Versions 2.4.9api3 and prior. The application allows the upload of arbitrary Python scripts when configuring the main central controller. These scripts can be immediately executed because of root code execution, not as a web server user, allowing an authenticated attacker to gain full system access.
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.114 (95.9th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.116 · newest: 0.114 · change: -0.002
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- applied-risk.com/labs/advisories (Third Party Advisory)
- applied-risk.com/index.php/download_file/view/199/165 (Third Party Advisory)
- applied-risk.com/resources/ar-2019-007 (Third Party Advisory)
- www.us-cert.gov/ics/advisories/icsa-19-211-02
- packetstormsecurity.com/files/155273/Prima-Access-Control-2.3.35-Script-Upload-…
Frequently asked questions
- What is CVE-2019-9189?
- CVE-2019-9189 is a high-severity vulnerability in Primasystems Flexair, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2019-06-05.
- How severe is CVE-2019-9189?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2019-9189 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.