How severe is CVE-2019-16515?

CVE-2019-16515 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2019-16515 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-16515?

CVE-2019-16515 affects Connectwise Control. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-16515?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-16515 published?

CVE-2019-16515 was published on 2020-01-23 and last updated on 2026-06-17.

CVE-2019-16515

CVE-2019-16515 is a medium-severity vulnerability in Connectwise Control with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 6.4
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Connectwise Control
Published: 2020-01-23
Last modified: 2026-06-17

Description

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

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 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2019-16515 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-16515?: CVE-2019-16515 affects Connectwise Control. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-16515?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-16515 published?: CVE-2019-16515 was published on 2020-01-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:connectwise:control:19.3.25270.7185:*:*:*:*:*:*:*

More vulnerabilities in Connectwise Control

CVE-2023-25718 — Critical (CVSS 9.8): In ConnectWise Control through 22.9.10032 (formerly known as ScreenConnect), after an executable file is signed,…
CVE-2019-16517 — Critical (CVSS 9.8): An issue was discovered in ConnectWise Control (formerly known as ScreenConnect) 19.3.25270.7185. There is a CORS…
CVE-2023-25719 — High (CVSS 8.8): ConnectWise Control before 22.9.10032 (formerly known as ScreenConnect) fails to validate user-supplied parameters such…
CVE-2019-16513 — High (CVSS 8.8): An issue was discovered in ConnectWise Control (formerly known as ScreenConnect) 19.3.25270.7185. CSRF can be used to…
CVE-2019-16514 — High (CVSS 7.2): An issue was discovered in ConnectWise Control (formerly known as ScreenConnect) 19.3.25270.7185. The server allows…
CVE-2019-16516 — Medium (CVSS 5.3): An issue was discovered in ConnectWise Control (formerly known as ScreenConnect) 19.3.25270.7185. There is a user…

All CVEs affecting Connectwise Control →