CVE-2019-16516
First published: Thu Jan 23 2020(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| ConnectWise | <=19.2.24707 | |
| ConnectWise | =19.3.25270.7185 |
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Reference Links
- http://packetstormsecurity.com/files/165432/ConnectWise-Control-19.2.24707-Username-Enumeration.html
- https://blog.huntresslabs.com/validating-the-bishop-fox-findings-in-connectwise-control-9155eec36a34
- https://know.bishopfox.com/advisories
- https://know.bishopfox.com/advisories/connectwise-control
- https://www.crn.com/news/managed-services/connectwise-control-msp-security-vulnerabilities-are-severe-bishop-fox
- https://www.crn.com/slide-shows/managed-services/connectwise-control-attack-chain-exploit-20-questions-for-security-researcher-bishop-fox
Frequently Asked Questions
What is the severity of CVE-2019-16516?
The severity of CVE-2019-16516 is categorized as medium due to the potential for user enumeration by unauthorized attackers.
How do I fix CVE-2019-16516?
To fix CVE-2019-16516, update ConnectWise Control to version 19.3.25270.7186 or later.
Who is affected by CVE-2019-16516?
CVE-2019-16516 affects users of ConnectWise Control versions up to 19.2.24707 and 19.3.25270.7185.
What type of vulnerability is CVE-2019-16516?
CVE-2019-16516 is a user enumeration vulnerability that allows attackers to verify the existence of usernames.
Can an unauthenticated attacker exploit CVE-2019-16516?
Yes, an unauthenticated attacker can exploit CVE-2019-16516 to determine if an account exists for a given username.
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- version/connectwise/19.2.24707
- version/connectwise/19.3.25270.7185