CVE-2022-36781

CVE-2022-36781 is a medium-severity vulnerability in Connectwise Screenconnect with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-307.

Key facts

Description

ConnectWise ScreenConnect versions 22.6 and below contained a flaw allowing potential brute force attacks on custom access tokens due to inadequate rate-limiting controls in the default configuration. Attackers could exploit this vulnerability to gain unauthorized access by repeatedly attempting access code combinations. ConnectWise has addressed this issue in later versions by implementing rate-limiting controls as a preventive measure against brute force attacks.

Frequently asked questions

What is CVE-2022-36781?
ConnectWise ScreenConnect versions 22.6 and below contained a flaw allowing potential brute force attacks on custom access tokens due to inadequate rate-limiting controls in the default configuration. Attackers could exploit this vulnerability to gain unauthorized access by repeatedly attempting access code combinations. ConnectWise has addressed this issue in later versions by implementing rate-limiting controls as a preventive measure against brute force attacks.
How severe is CVE-2022-36781?
CVE-2022-36781 has a CVSS 3.x base score of 5.3, 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 none, and availability none.
Is CVE-2022-36781 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-36781?
CVE-2022-36781 affects Connectwise Screenconnect. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-36781?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-36781 published?
CVE-2022-36781 was published on 2022-09-28 and last updated on 2026-06-17.

References

Affected products (1)

More vulnerabilities in Connectwise Screenconnect

All CVEs affecting Connectwise Screenconnect →

Other CWE-307 (Improper Restriction of Excessive Authentication Attempts) vulnerabilities

Browse all CWE-307 (Improper Restriction of Excessive Authentication Attempts) vulnerabilities →