CVE-2019-9794 is a critical vulnerability affecting Mozilla Firefox, Firefox ESR, and Thunderbird on Windows operating systems. It allows for remote code execution by improperly handling command line arguments when Firefox is invoked as a shell handler for URLs, potentially leading to the retrieval and execution of malicious files. With a CVSS score of 9.8, this vulnerability poses a significant risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered considerable community discussion, indicating awareness within the cybersecurity community.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 60.6.0CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | ||
< 66.0CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | ||
< 60.6.0CPE matchmatch criteria | cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 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.