Vulnerability record · CVE-2019-9189 · published 5 June 2019

CVE-2019-9189: Primasystems flexair unrestricted file upload vulnerability

Primasystems · Flexair

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.

8.8 CVSS 3.0 High EPSS 11% · top 4.1% CWE-434 · Unrestricted file upload

8.8CVSS 3.0 base score, v2 9.0

11%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

10References

17 Jun 2026Last modified by NVD

Description

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Flexair Primasystems

References

Link	Tags
http://packetstormsecurity.com/files/155273/Prima-Access-Control-2.3.35-Script-Upload-Remote-Code-Execution.html
https://applied-risk.com/index.php/download_file/view/199/165	Third Party Advisory
https://applied-risk.com/labs/advisories	Third Party Advisory
https://applied-risk.com/resources/ar-2019-007	Third Party Advisory
https://www.us-cert.gov/ics/advisories/icsa-19-211-02
http://packetstormsecurity.com/files/155273/Prima-Access-Control-2.3.35-Script-Upload-Remote-Code-Execution.html
https://applied-risk.com/index.php/download_file/view/199/165	Third Party Advisory
https://applied-risk.com/labs/advisories	Third Party Advisory
https://applied-risk.com/resources/ar-2019-007	Third Party Advisory
https://www.us-cert.gov/ics/advisories/icsa-19-211-02

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2019-7667Primasystems flexair vulnerabilityPrima Systems FlexAir, Versions 2.3.38 and prior. The application generates database backup files with a predictable name, and an attacker can use br…EPSS 4.5%1 Jul 2019 9.8CVE-2019-7668Primasystems flexair insecure default initialization vulnerabilityPrima Systems FlexAir devices have Default Credentials.EPSS 1.6%1 Jul 2019 9.0CVE-2019-7671Primasystems flexair cross-site scripting vulnerabilityPrima Systems FlexAir, Versions 2.3.38 and prior. Parameters sent to scripts are not properly sanitized before being returned to the user, which may …EPSS 8.1%5 Jun 2019 8.8CVE-2019-7280Primasystems flexair insufficient session expiration vulnerabilityPrima Systems FlexAir, Versions 2.3.38 and prior. The session-ID is of an insufficient length and can be exploited by brute force, which may allow a …EPSS 2.4%1 Jul 2019 8.8CVE-2019-7281Primasystems flexair cross-site request forgery vulnerabilityPrima Systems FlexAir, Versions 2.3.38 and prior. An unauthenticated user can send unverified HTTP requests, which may allow the attacker to perform …EPSS 0.94%1 Jul 2019 8.8CVE-2019-7666Primasystems flexair improper authentication vulnerabilityPrima Systems FlexAir, Versions 2.3.38 and prior. The application allows improper authentication using the MD5 hash value of the password, which may …EPSS 15%1 Jul 2019 8.8CVE-2019-7669Primasystems flexair unrestricted file upload vulnerabilityPrima Systems FlexAir, Versions 2.3.38 and prior. Improper validation of file extensions when uploading files could allow a remote authenticated atta…EPSS 31%1 Jul 2019 8.8CVE-2019-7672Primasystems flexair hard-coded credentials vulnerabilityPrima Systems FlexAir, Versions 2.3.38 and prior. The flash version of the web interface contains a hard-coded username and password, which may allow…EPSS 2.4%5 Jun 2019

Source: NIST National Vulnerability Database (record CVE-2019-9189), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.