Home/CVE/ConnectWise ScreenConnect Authentication Bypass Vulnerability
CVE

CVE-2024-1709

ConnectWise ScreenConnect Authentication Bypass Vulnerability

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.

CRITICAL · CVSS 10 ⚠ CISA KEV EPSS 0.94352 Ransomware: known
Act now
  • Listed on CISA KEV (known exploited in the wild)
  • Linked to known ransomware campaigns
  • SSVC exploitation status: active
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 0% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0

Required Remediation

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Threat Actors Linked

8
actorMedusa
actorQilin
actorRhysida

Affected Products & Versions

1

Sigma Hunt Rules

8
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighRemote Access Tool - ScreenConnect Server Web Shell Execution
productmediumScreenConnect Temporary Installation Artefact
productmediumRemote Access Tool - ScreenConnect Installation Execution
productmediumRemote Access Tool - ScreenConnect Potential Suspicious Remote Command Execution
productmediumRemote Access Tool - ScreenConnect Execution
productlowRemote Access Tool - ScreenConnect Temporary File

Scoring & Timeline

10
CRITICAL · CVSS v3.1 · 9119a7d8-5eab-497f-8521-727c672e3725
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD21 Feb 2024 · 04:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
active
Automatable
yes
Technical impact
total
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