CVE-2019-16784 is a local privilege escalation vulnerability affecting PyInstaller versions prior to 3.6, specifically on Windows systems. It occurs when a PyInstaller "onefile" application is launched by a privileged user, such as a system account, and its temporary directory resolves to a world-writable location like C:\Windows\Temp. The vulnerability has a CVSS score of 7.8 (HIGH), indicating a low attack complexity and local access requirement, but with high impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 3.6CPE matchmatch criteria | cpe:2.3:a:pyinstaller:pyinstaller:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.