VULNERABILITY INTELLIGENCE

CVE-2019-16517

CVSS score9.8 CRITICAL
EPSS probability1.34%
CISA KEVNot currently listed
Published2020-01-23
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

An issue was discovered in ConnectWise Control (formerly known as ScreenConnect) 19.3.25270.7185. There is a CORS misconfiguration, which reflected the Origin provided by incoming requests. This allowed JavaScript running on any domain to interact with the server APIs and perform administrative actions, without the victim's knowledge.

Weakness classification

  • nvd@nist.gov: CWE-346

Primary references