CVE-2019-3635 describes a data exfiltration vulnerability in McAfee Web Gateway (MWG) versions 7.8.2.x prior to 7.8.2.12. Attackers can exploit this by crafting a complex webpage that causes the Web Gateway to block a user accessing an iframe, leading to the exfiltration of sensitive data. This vulnerability has a CVSS score of 6.5 (Medium), indicating a network-based attack with low complexity, requiring user interaction, and resulting in high confidentiality impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 7.8.2.0, < 7.8.2.12CPE matchmatch criteria | cpe:2.3:a:mcafee:web_gateway:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.