CVE-2019-16515

Name: CVE-2019-16515
Creator: NVD / NIST
Published: 2020-01-23T18:15:13.6+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 1.74%

Last modified Jun 17, 2026

CVE-2019-16515 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. An issue was discovered in ConnectWise Control (formerly known as ScreenConnect) 19.3.25270.7185. Certain HTTP security headers are not used.. EPSS estimates a 1.74% chance of exploitation in the next 30 days.

Description

An issue was discovered in ConnectWise Control (formerly known as ScreenConnect) 19.3.25270.7185. Certain HTTP security headers are not used.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

1.74%

74.8th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Connectwise	Control	19.3.25270.7185

References

https://blog.huntresslabs.com/validating-the-bishop-fox-findings-in-connectwise-control-9155eec36a34Exploit, Third Party Advisory
https://know.bishopfox.com/advisoriesThird Party Advisory
https://know.bishopfox.com/advisories/connectwise-controlExploit, Third Party Advisory
https://wpvulndb.com/vulnerabilities/10013Third Party Advisory
https://www.crn.com/news/managed-services/connectwise-control-msp-security-vulnerabilities-are-severe-bishop-foxThird Party Advisory
https://blog.huntresslabs.com/validating-the-bishop-fox-findings-in-connectwise-control-9155eec36a34Exploit, Third Party Advisory
https://know.bishopfox.com/advisoriesThird Party Advisory
https://know.bishopfox.com/advisories/connectwise-controlExploit, Third Party Advisory
https://wpvulndb.com/vulnerabilities/10013Third Party Advisory
https://www.crn.com/news/managed-services/connectwise-control-msp-security-vulnerabilities-are-severe-bishop-foxThird Party Advisory

Timeline

Published: Jan 23, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-16515?

An issue was discovered in ConnectWise Control (formerly known as ScreenConnect) 19.3.25270.7185. Certain HTTP security headers are not used.

How severe is CVE-2019-16515?

CVE-2019-16515 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.74% probability of exploitation in the next 30 days.

How do I fix CVE-2019-16515?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-16515?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST