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CVE-2024-1709

99
FAUCET Score

CVE-2024-1709 is a critical authentication bypass vulnerability affecting ConnectWise ScreenConnect versions 23.9.7 and prior. This flaw allows unauthenticated attackers to gain direct access to confidential information and critical systems. With a CVSS score of 10.0, it presents a severe risk due to its network-based attack vector, low complexity, and complete compromise of confidentiality, integrity, and availability. The vulnerability is actively exploited, including in known ransomware campaigns and by nation-state actors, with public exploit modules and significant community discussion confirming its widespread attention and danger.

Impacted Technologies

VendorProductVersion(s)CPE
>= 0, <= 23.9.7CPE match
cpe:2.3:a:connectwise:screenconnect:*:*:*:*:*:*:*:*
< 23.9.8CPE matchmatch criteria
cpe:2.3:a:connectwise:screenconnect:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

10.0CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
99.96%
Probability of exploitation in next 30 days
EPSS Percentile
100.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Added to KEV · Feb 22, 2024
Metasploit: ConnectWise ScreenConnect Unauthenticated Remote Code Execution · Feb 19, 2024
Nuclei: CVE-2024-1709 · Feb 21, 2024
This CVE's current EPSS score of 0.9996 is in the 100th percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
github.com / rapid7/metasploit-framework/pull/18870
Issue TrackingPatchThird Party Advisory
github.com / watchtowrlabs/connectwise-screenconnect_auth-bypass-add-user-poc
ExploitThird Party Advisory
techcrunch.com / 2024/02/21/researchers-warn-high-risk-connectwise-flaw-under-attack-is-embarrassingly-easy-to-exploit
Press/Media CoverageThird Party Advisory
bleepingcomputer.com / news/security/connectwise-urges-screenconnect-admins-to-patch-critical-rce-flaw
Press/Media CoverageThird Party Advisory
connectwise.com / company/trust/security-bulletins/connectwise-screenconnect-23.9.8
Vendor Advisory
horizon3.ai / attack-research/red-team/connectwise-screenconnect-auth-bypass-deep-dive
Third Party Advisory
huntress.com / blog/a-catastrophe-for-control-understanding-the-screenconnect-authentication-bypass
ExploitThird Party Advisory
huntress.com / blog/detection-guidance-for-connectwise-cwe-288-2
ExploitThird Party Advisory
huntress.com / blog/vulnerability-reproduced-immediately-patch-screenconnect-23-9-8
Third Party Advisory
securityweek.com / connectwise-confirms-screenconnect-flaw-under-active-exploitation
Press/Media CoverageThird Party Advisory