An issue was discovered in ConnectWise Control (formerly known as ScreenConnect)…
Priority MEDIUM 42CWE-203Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-203.
Summary
An issue was discovered in ConnectWise Control (formerly known as ScreenConnect) 19.3.25270.7185. There is a user enumeration vulnerability, allowing an unauthenticated attacker to determine with certainty if an account exists for a given username.
Why it matters now
EPSS 0.19595 97th percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:connectwise:control:*:*:*:*:*:*:*:* | up to 19.2.24707 | Vulnerable | ConnectWise |
| cpe:2.3:a:connectwise:control:19.3.25270.7185:*:*:*:*:*:*:* | 19.3.25270.7185 | Vulnerable | ConnectWise |
- cpe:2.3:a:connectwise:control:*:*:*:*:*:*:*:* Versions up to 19.2.24707 Vulnerable ·ConnectWise
- cpe:2.3:a:connectwise:control:19.3.25270.7185:*:*:*:*:*:*:* Versions 19.3.25270.7185 Vulnerable ·ConnectWise
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-16516
- 2026-10-03 Alias added: GHSA-j4v4-83w4-ph37
References
Exploit 3
More ConnectWise Control vulnerabilities
- TI-2023-10995 ConnectWise Control before 22.9.10032 (formerly known as ScreenConnect) fails to validate… CVSS 3.1HIGH 8.8
- TI-2023-10994 In ConnectWise Control through 22.9.10032 (formerly known as ScreenConnect), after an… CVSS 3.1CRITICAL 9.8
- TI-2019-12382 An issue was discovered in ConnectWise Control (formerly known as ScreenConnect)… CVSS 3.1CRITICAL 9.8
- TI-2019-12378 An issue was discovered in ConnectWise Control (formerly known as ScreenConnect)… CVSS 3.1HIGH 8.8
- TI-2019-12379 An issue was discovered in ConnectWise Control (formerly known as ScreenConnect)… CVSS 3.1HIGH 7.2
- TI-2019-12380 An issue was discovered in ConnectWise Control (formerly known as ScreenConnect)… CVSS 3.1MEDIUM 6.5
Sources
- CVE-2019-16516 · CVE Program
- CVE-2019-16516 · NVD
- FIRST EPSS
- GHSA-j4v4-83w4-ph37 · GitHub Advisory Database · CC BY 4.0
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