CVE-2019-16517

CriticalCVSS 9.8/10Last 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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-346

Affected software

No affected versions have been published.

Timeline

Published: Jan 23, 2020
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2019

CVE-2019-165184.3An issue was discovered on Swell Kit Mod devices that use the Vandy Vape platform. An attacker may be able to trigger an unintended temperat CVE-2019-165197.8ESET Cyber Security 6.7.900.0 for macOS allows a local attacker to execute unauthorized commands as root by abusing an undocumented feature CVE-2019-16527.2A vulnerability in the web-based management interface of Cisco Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers could allow an au CVE-2019-165205.4The all-in-one-seo-pack plugin before 3.2.7 for WordPress (aka All in One SEO Pack) is susceptible to Stored XSS due to improper encoding of CVE-2019-165216.1The broken-link-checker plugin through 1.11.8 for WordPress (aka Broken Link Checker) is susceptible to Reflected XSS due to improper encodi CVE-2019-165224.8The eu-cookie-law plugin through 3.0.6 for WordPress (aka EU Cookie Law (GDPR)) is susceptible to Stored XSS due to improper encoding of sev CVE-2019-165235.4The events-manager plugin through 5.9.5 for WordPress (aka Events Manager) is susceptible to Stored XSS due to improper encoding and inserti CVE-2019-165244.8The easy-fancybox plugin before 1.8.18 for WordPress (aka Easy FancyBox) is susceptible to Stored XSS in the Settings Menu inc/class-easyfan CVE-2019-165256.1An XSS issue was discovered in the checklist plugin before 1.1.9 for WordPress. The fill parameter is not correctly filtered in the checklis CVE-2019-165287.5An issue was discovered in the AbuseFilter extension for MediaWiki. includes/special/SpecialAbuseLog.php allows attackers to obtain sensitiv CVE-2019-165295.3An issue was discovered in the CheckUser extension through 1.35.0 for MediaWiki. Oversighted edit summaries are still visible in CheckUser r CVE-2019-16537.5A vulnerability in the web-based management interface of Cisco Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers could allow an un