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.

CVSS v3.1

5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CVSS v2.0

5.0 MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N

EPSS

19.10% chance of exploitation in the next 30 days, 97th percentile

Published

2020-01-23

Updated

2024-08-05

Proof-of-concept exploits (3)

• http://packetstormsecurity.com/files/165432/ConnectWise-Control-19.2.24707-Username-Enume…
• https://know.bishopfox.com/advisories/connectwise-control
• https://www.crn.com/slide-shows/managed-services/connectwise-control-attack-chain-exploit…

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/50618

References

• CVE Record
• NVD entry

Related

• CVE-2019-16515
• CVE-2019-16517
• CVE-2019-16514
• CVE-2019-1652
• CVE-2019-16513
• CVE-2019-16520