CVE-2024-1709: ConnectWise ScreenConnect Authentication Bypass Vulnerability
First published: Wed Feb 21 2024(Updated: )
ConnectWise ScreenConnect 23.9.7 and prior are affected by an Authentication Bypass Using an Alternate Path or Channel vulnerability, which may allow an attacker direct access to confidential information or critical systems.
Credit: 9119a7d8-5eab-497f-8521-727c672e3725
| Affected Software | Affected Version | How to fix |
|---|---|---|
| ConnectWise ScreenConnect | <23.9.8 | |
| ConnectWise ScreenConnect |
Remedy
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
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Reference Links
- https://www.bleepingcomputer.com/news/security/screenconnect-critical-bug-now-under-attack-as-exploit-code-emerges/
- https://www.bleepingcomputer.com/news/security/screenconnect-servers-hacked-in-lockbit-ransomware-attacks/
- https://www.connectwise.com/company/trust/security-bulletins/connectwise-screenconnect-23.9.8
- https://github.com/rapid7/metasploit-framework/pull/18870
- https://github.com/watchtowrlabs/connectwise-screenconnect_auth-bypass-add-user-poc
- https://techcrunch.com/2024/02/21/researchers-warn-high-risk-connectwise-flaw-under-attack-is-embarrassingly-easy-to-exploit/
- https://www.bleepingcomputer.com/news/security/connectwise-urges-screenconnect-admins-to-patch-critical-rce-flaw/
- https://www.horizon3.ai/attack-research/red-team/connectwise-screenconnect-auth-bypass-deep-dive/
- https://www.huntress.com/blog/a-catastrophe-for-control-understanding-the-screenconnect-authentication-bypass
- https://www.huntress.com/blog/detection-guidance-for-connectwise-cwe-288-2
- https://www.huntress.com/blog/vulnerability-reproduced-immediately-patch-screenconnect-23-9-8
- https://www.securityweek.com/connectwise-confirms-screenconnect-flaw-under-active-exploitation/
- https://www.bleepingcomputer.com/news/security/new-screenconnect-rce-flaw-exploited-in-ransomware-attacks/
- https://www.bleepingcomputer.com/news/security/unitedhealth-subsidiary-optum-hack-linked-to-blackcat-ransomware/
- https://www.bleepingcomputer.com/news/security/black-basta-bl00dy-ransomware-gangs-join-screenconnect-attacks/
- https://www.bleepingcomputer.com/news/security/fbi-cisa-warn-us-hospitals-of-targeted-blackcat-ransomware-attacks/
- https://www.bleepingcomputer.com/news/security/ransomware-gang-claims-they-stole-6tb-of-change-healthcare-data/
- https://www.bleepingcomputer.com/news/security/screenconnect-flaws-exploited-to-drop-new-toddleshark-malware/
- https://www.bleepingcomputer.com/news/security/screenconnect-flaws-exploited-to-drop-new-toddlershark-malware/
- https://www.theregister.com/2024/03/22/china_f5_connectwise_unc5174/
- https://www.bleepingcomputer.com/news/security/cisa-urges-software-devs-to-weed-out-path-traversal-vulnerabilities/
Peer vulnerabilities
(Found alongside the following vulnerabilities)
- agent/first-publish-date
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- collector/bleeping-computer
- source/BleepingComputer
- alias/CVE-2024-1708
- alias/CVE-2024-1709
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- agent/software-canonical-lookup
- collector/nvd-api
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- agent/last-modified-date
- collector/mitre-cve
- source/MITRE
- agent/title
- agent/severity
- agent/weakness
- collector/the-register
- source/The Register
- alias/CVE-2023-46747
- alias/CVE-2023-22518
- alias/CVE-2022-0185
- alias/CVE-2022-3052
- agent/news-ai
- agent/references
- agent/tags
- agent/event
- alias/CVE-2024-20345
- vendor/connectwise
- canonical/connectwise screenconnect