An issue was discovered in ConnectWise Control (formerly known as ScreenConnect) 19.3.25270.7185. There is stored XSS in the Appearance modifier.
Conclusion & alert: CVE-2019-16512 is rated Exploit Available (57.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.21%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.43% | 1.21% | +0.77% |
| 2 | 2025-11-21 | 0.48% | 0.43% | -0.05% |
| 3 | 2025-11-18 | — | 0.48% | — |
Full EPSS history (13 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.8 | 3.1 | MEDIUM |
|
1.7 | 2.7 | [email protected] |
| 3.5 | 2.0 | LOW |
|
6.8 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| connectwise | control | 19.3.25270.7185 | cpe:2.3:a:connectwise:control:19.3.25270.7185:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://blog.huntresslabs.com/validating-the-bishop-fox-findings-in-connectwise-control-9155eec36a34 | Exploit Third Party Advisory |
| https://know.bishopfox.com/advisories | Third Party Advisory |
| https://know.bishopfox.com/advisories/connectwise-control | Exploit Third Party Advisory |
| https://www.crn.com/news/managed-services/connectwise-control-msp-security-vulnerabilities-are-severe-bishop-fox | Third Party Advisory |
| https://www.crn.com/slide-shows/managed-services/connectwise-control-attack-chain-exploit-20-questions-for-security-researcher-bishop-fox | Third Party Advisory |