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    CVE-2019-16517

    An issue was discovered in ConnectWise Control (formerly known as ScreenConnect) 19.3.25270.7185. There is a CORS misconfiguration, which reflected the Origin provided by incoming requests. This allowed JavaScript running on any domain to interact with the server APIs and perform administrative actions, without the victim's knowledge.

    Published:Jan 23, 2020
    Last Modified:Nov 21, 2024
    EPS:Jan 23, 2020
    EPSS Score:0.00224
    CVSS Score:9.8

    Affected Products

    Vendor
    Connectwise
    Product
    Control

    Exploits

    https://blog.huntresslabs.com/validating-the-bishop-fox-findings-in-connectwise-control-9155eec36a34https://know.bishopfox.com/advisories/connectwise-controlhttps://blog.huntresslabs.com/validating-the-bishop-fox-findings-in-connectwise-control-9155eec36a34https://know.bishopfox.com/advisories/connectwise-control

    Common Weakness Enumeration

    CWE-346 Origin Validation Error

    Related CVEs

    CVE-2023-25719 (CVSS 8.8) — ConnectWise Control before 22.9.10032 (formerly known as ScreenConnect) fails to validate user-supplied parame…
    CVE-2023-25718 (CVSS 9.8) — In ConnectWise Control through 22.9.10032 (formerly known as ScreenConnect), after an executable file is signe…
    CVE-2019-16515 (CVSS 6.5) — An issue was discovered in ConnectWise Control (formerly known as ScreenConnect) 19.3.25270.7185. Certain HTTP…
    CVE-2019-16516 (CVSS 5.3) — An issue was discovered in ConnectWise Control (formerly known as ScreenConnect) 19.3.25270.7185. There is a u…
    CVE-2019-16514 (CVSS 7.2) — An issue was discovered in ConnectWise Control (formerly known as ScreenConnect) 19.3.25270.7185. The server a…
    CVE-2019-16512 (CVSS 4.8) — An issue was discovered in ConnectWise Control (formerly known as ScreenConnect) 19.3.25270.7185. There is sto…
    CVE-2019-16513 (CVSS 8.8) — An issue was discovered in ConnectWise Control (formerly known as ScreenConnect) 19.3.25270.7185. CSRF can be …

    References

    https://blog.huntresslabs.com/validating-the-bishop-fox-findings-in-connectwise-control-9155eec36a34
    https://know.bishopfox.com/advisories
    https://know.bishopfox.com/advisories/connectwise-control
    https://www.crn.com/news/managed-services/connectwise-control-msp-security-vulnerabilities-are-severe-bishop-fox
    https://www.crn.com/slide-shows/managed-services/connectwise-control-attack-chain-exploit-20-questions-for-security-researcher-bishop-fox
    https://blog.huntresslabs.com/validating-the-bishop-fox-findings-in-connectwise-control-9155eec36a34
    https://know.bishopfox.com/advisories
    https://know.bishopfox.com/advisories/connectwise-control
    https://www.crn.com/news/managed-services/connectwise-control-msp-security-vulnerabilities-are-severe-bishop-fox
    https://www.crn.com/slide-shows/managed-services/connectwise-control-attack-chain-exploit-20-questions-for-security-researcher-bishop-fox

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High