CVE-2019-16516
ConnectWise Control User Enumeration Vulnerability
Description
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.
INFO
Published Date :
Jan. 23, 2020, 6:15 p.m.
Last Modified :
Feb. 20, 2022, 6:44 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
1.4
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2019-16516 has a 2 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2019-16516.
| URL | Resource |
|---|---|
| http://packetstormsecurity.com/files/165432/ConnectWise-Control-19.2.24707-Username-Enumeration.html | Exploit Third Party Advisory VDB Entry |
| https://blog.huntresslabs.com/validating-the-bishop-fox-findings-in-connectwise-control-9155eec36a34 | Exploit Third Party Advisory |
| https://know.bishopfox.com/advisories | Third Party Advisory |
| https://know.bishopfox.com/advisories/connectwise-control | Exploit Third Party Advisory |
| https://www.crn.com/news/managed-services/connectwise-control-msp-security-vulnerabilities-are-severe-bishop-fox | Third Party Advisory |
| https://www.crn.com/slide-shows/managed-services/connectwise-control-attack-chain-exploit-20-questions-for-security-researcher-bishop-fox | Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Config files for my GitHub profile.
config github-config
ConnectWise also known as ScreenConnect CVE-2019-16516
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2019-16516 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-16516 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Feb. 20, 2022
Action Type Old Value New Value Changed Reference Type http://packetstormsecurity.com/files/165432/ConnectWise-Control-19.2.24707-Username-Enumeration.html No Types Assigned http://packetstormsecurity.com/files/165432/ConnectWise-Control-19.2.24707-Username-Enumeration.html Exploit, Third Party Advisory, VDB Entry Changed CPE Configuration OR *cpe:2.3:a:connectwise:control:19.3.25270.7185:*:*:*:*:*:*:* OR *cpe:2.3:a:connectwise:control:*:*:*:*:*:*:*:* versions up to (including) 19.2.24707 *cpe:2.3:a:connectwise:control:19.3.25270.7185:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jan. 05, 2022
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/165432/ConnectWise-Control-19.2.24707-Username-Enumeration.html [No Types Assigned] -
CWE Remap by [email protected]
Jul. 21, 2021
Action Type Old Value New Value Changed CWE CWE-200 CWE-203 -
Initial Analysis by [email protected]
Jan. 28, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:N/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Changed Reference Type https://blog.huntresslabs.com/validating-the-bishop-fox-findings-in-connectwise-control-9155eec36a34 No Types Assigned https://blog.huntresslabs.com/validating-the-bishop-fox-findings-in-connectwise-control-9155eec36a34 Exploit, Third Party Advisory Changed Reference Type https://know.bishopfox.com/advisories No Types Assigned https://know.bishopfox.com/advisories Third Party Advisory Changed Reference Type https://know.bishopfox.com/advisories/connectwise-control No Types Assigned https://know.bishopfox.com/advisories/connectwise-control Exploit, Third Party Advisory Changed Reference Type https://www.crn.com/news/managed-services/connectwise-control-msp-security-vulnerabilities-are-severe-bishop-fox No Types Assigned https://www.crn.com/news/managed-services/connectwise-control-msp-security-vulnerabilities-are-severe-bishop-fox Third Party Advisory Changed Reference Type https://www.crn.com/slide-shows/managed-services/connectwise-control-attack-chain-exploit-20-questions-for-security-researcher-bishop-fox No Types Assigned https://www.crn.com/slide-shows/managed-services/connectwise-control-attack-chain-exploit-20-questions-for-security-researcher-bishop-fox Third Party Advisory Added CWE NIST CWE-200 Added CPE Configuration OR *cpe:2.3:a:connectwise:control:19.3.25270.7185:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-16516 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2019-16516
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
9.55 }} 0.54%
score
0.94879
percentile