Vulnerability Details : CVE-2019-16516
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.
Exploit prediction scoring system (EPSS) score for CVE-2019-16516
Probability of exploitation activity in the next 30 days: 9.30%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 94 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2019-16516
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST |
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
3.9
|
1.4
|
NIST |
CWE ids for CVE-2019-16516
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The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-16516
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https://know.bishopfox.com/advisories/connectwise-control
ConnectWise Control 19.3.25270.7185 - Eight Vulnerabilities, Including CriticalExploit;Third Party Advisory
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https://know.bishopfox.com/advisories
Bishop Fox AdvisoriesThird Party Advisory
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http://packetstormsecurity.com/files/165432/ConnectWise-Control-19.2.24707-Username-Enumeration.html
ConnectWise Control 19.2.24707 Username Enumeration ≈ Packet StormExploit;Third Party Advisory;VDB Entry
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https://www.crn.com/slide-shows/managed-services/connectwise-control-attack-chain-exploit-20-questions-for-security-researcher-bishop-fox
ConnectWise Control 'Attack Chain' Exploit: 20 Questions For Security Researcher Bishop FoxThird Party Advisory
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https://www.crn.com/news/managed-services/connectwise-control-msp-security-vulnerabilities-are-severe-bishop-fox
ConnectWise Control MSP Security Vulnerabilities Are ‘Severe:’ Bishop FoxThird Party Advisory
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https://blog.huntresslabs.com/validating-the-bishop-fox-findings-in-connectwise-control-9155eec36a34
Validating the Bishop Fox Findings in ConnectWise ControlExploit;Third Party Advisory
Products affected by CVE-2019-16516
- cpe:2.3:a:connectwise:control:*:*:*:*:*:*:*:*
- cpe:2.3:a:connectwise:control:19.3.25270.7185:*:*:*:*:*:*:*