CVE-2019-16512 json
An issue was discovered in ConnectWise Control (formerly known as ScreenConnect) 19.3.25270.7185.
published 2020-01-23 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-7189
- cvss
- 4.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 68%
- public exploits
- 0
- none known
Summary
An issue was discovered in ConnectWise Control (formerly known as ScreenConnect) 19.3.25270.7185. There is stored XSS in the Appearance modifier.
Exploit prediction
1.21% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- know.bishopfox.com https://know.bishopfox.com/advisories/connectwise-control referenced PoC, tagged "exploit" by a source, unverified
- blog.huntresslabs.com https://blog.huntresslabs.com/validating-the-bishop-fox-findings-in-connectwise-control-9155eec36a34 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 4.8 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
know.bishopfox.com
/advisories/connectwise-control
exploit, third-party-advisory
-
blog.huntresslabs.com
/validating-the-bishop-fox-findings-in-connectwise-control-9155eec36a34
exploit, third-party-advisory
-
know.bishopfox.com
/advisories
third-party-advisory
-
crn.com
/news/managed-services/connectwise-control-msp-security-vulnerabilities-are-severe-bishop-fox
third-party-advisory
-
crn.com
/slide-shows/managed-services/connectwise-control-attack-chain-exploit-20-questions-for-security-researcher-bi
third-party-advisory
Sources
- CVE List CVE-2019-16512
- NVD CVE-2019-16512
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.