CVE-2019-16517

PoC ×2—

CVSS 3.1

9.8 critical

EPSS

1%p70

Published

Jan 23, 2020 (Jan 23, 2020)

Modified

Jun 17, 2026

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.

Vendors: connectwise
Products: control
Weakness: CWE-346
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.3%)

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