CVE-2019-16517 is a critical Cross-Origin Resource Sharing (CORS) misconfiguration vulnerability affecting ConnectWise Control (formerly ScreenConnect) version 19.3.25270.7185. This flaw allows JavaScript from any domain to interact with the server's APIs and execute administrative actions without user knowledge. With a CVSS score of 9.8 (CRITICAL), it presents a severe risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, publicly available exploit code in Metasploit, Nuclei, or ExploitDB, and minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
19.3.25270.7185CPE matchmatch criteria | cpe:2.3:a:connectwise:control:19.3.25270.7185:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/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.
Remediation records are not available for this CVE.