CVE-2019-16516

5.3MEDIUM

Key Information

Vendor
Connectwise
Status
Control
Vendor
CVE Published:
23 January 2020

Badges

👾 Exploit Exists🟡 Public PoC

Summary

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 Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

ScreenConnect-UserEnum
Created by czz

References

https://know.bishopfox.com/advisories
x_refsource_MISC
https://know.bishopfox.com/advisories/connectwise-control
x_refsource_MISC
https://blog.huntresslabs.com/validating-the-bishop-fox-f...
x_refsource_MISC

EPSS Score

10% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Collectors

NVD DatabaseMitre Database1 Proof of Concept(s)
.