An issue was discovered in ConnectWise Control (formerly known as ScreenConnect)…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-346.
Summary
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.
Why it matters now
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 · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:connectwise:control:19.3.25270.7185:*:*:*:*:*:*:* | 19.3.25270.7185 | 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-2019-16517
- 2026-10-03 Alias added: GHSA-7c2v-cqrg-3pf6
References
Exploit 2
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-2019-12381 An issue was discovered in ConnectWise Control (formerly known as ScreenConnect)… CVSS 3.1MEDIUM 5.3
- 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-2019-16517 · CVE Program
- CVE-2019-16517 · NVD
- FIRST EPSS
- GHSA-7c2v-cqrg-3pf6 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences