ScreenConnect — Connectwise Control XSS
CVE-2019-16512
An issue was discovered in ConnectWise Control (formerly known as ScreenConnect) 19.3.25270.7185. There is stored XSS in the Appearance modifier.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.012 (67.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 67.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- Connectwise Control — versions 19.3.25270.7185
Weakness classification (CWE)
Public proof-of-concept exploits
References
- know.bishopfox.com/advisories (Third Party Advisory)
- know.bishopfox.com/advisories/connectwise-control (Exploit, Third Party Advisory)
- blog.huntresslabs.com/validating-the-bishop-fox-findings-in-connectwise-control… (Exploit, Third Party Advisory)
- www.crn.com/news/managed-services/connectwise-control-msp-security-vulnerabilit… (Third Party Advisory)
- www.crn.com/slide-shows/managed-services/connectwise-control-attack-chain-explo… (Third Party Advisory)
Frequently asked questions
- What is CVE-2019-16512?
- CVE-2019-16512 is a medium-severity vulnerability in Connectwise Control, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2020-01-23.
- How severe is CVE-2019-16512?
- Medium severity. CVSS v3 base score is 4.8 out of 10.
- Is CVE-2019-16512 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.