CVE-2024-1709KEV · OVERDUECWE-288

Authentication bypass using an alternate path or channel

Critical · published February 21, 2024

Patch now

Confirmed exploited, and the score agrees

CVSS calls it critical at 10.0. It is confirmed in active exploitation. It sits in the 100.0th percentile for exploit probability.

967
days past CISA
deadline
CVSS v3.1
10.0
EPSS
100%
Percentile
100.0
In the wild
Confirmed
What it is

🚨 An authentication bypass in ConnectWise ScreenConnect could let attackers access your critical systems with just a clever trick! 🔥 Think of it like a hotel with a secret entrance that no one ever checks. An attacker can walk right in through the back door, bypassing security checks that everyone assumes are working as intended. 🏨 If exploited, this vulnerability could allow an attacker to access confidential data or even take control of critical systems as if they were authorized users. Imagine an intruder rifling through your most sensitive files or shutting down your operations — absolutely devastating!

Put simply

Think of it like a hotel with a secret entrance that no one ever checks. An attacker can walk right in through the back door, bypassing security checks that everyone assumes are working as intended. 🏨 This vulnerability arises from an alternate path or channel that allows attackers to bypass the normal authentication mechanisms in ConnectWise ScreenConnect versions 23.9.7 and earlier.

What to do

If exploited, this vulnerability could allow an attacker to access confidential data or even take control of critical systems as if they were authorized users. Imagine an intruder rifling through your most sensitive files or shutting down your operations — absolutely devastating! To safeguard your systems, update to the latest version of ConnectWise ScreenConnect as soon as possible. Ensure that your configurations are set correctly to prevent any unauthorized access. Regularly review access logs for any suspicious activity! You've got this! Follow these steps and you'll keep those back doors firmly shut! 🛡️

The record
Technical detail
CVSS v3.1
10.0 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.99980 · 100.0th percentile
Weakness
CWE-288 · Authentication Bypass Using an Alternate Path or Channel
Published
2024-02-21T15:36Z
KEV added
2024-02-22 · due 2024-02-29
EPSS history
Timeline
  • 22 FEB 00:00Z
    Added to CISA KEV — remediate by Feb 29
    kev
  • 21 FEB 15:36Z
    Authentication bypass using an alternate path or channel
    cvelistv5