ConnectWise ScreenConnect up to 23.9.7 authentication bypass

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.8$0-$5k0.00

Summaryinfo

A vulnerability was found in ConnectWise ScreenConnect up to 23.9.7 and classified as critical. This issue affects some unknown processing. The manipulation results in authentication bypass. This vulnerability is reported as CVE-2024-1709. The attack can be launched remotely. Moreover, an exploit is present.

Detailsinfo

A vulnerability classified as very critical has been found in ConnectWise ScreenConnect up to 23.9.7 (Network Management Software). Affected is an unknown code. The manipulation with an unknown input leads to a authentication bypass vulnerability. CWE is classifying the issue as CWE-288. A product requires authentication, but the product has an alternate path or channel that does not require authentication. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was disclosed 02/21/2024. The advisory is shared for download at connectwise.com. This vulnerability is traded as CVE-2024-1709. Technical details are unknown but an exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/28/2025).

It is declared as attacked. This issue was added on 02/22/2024 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 02/29/2024:

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

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Zero-Day.cz (866). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.9
VulDB Meta Temp Score: 9.8

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 10.0
NVD Vector: 🔍

CNA Base Score: 10.0
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Authentication bypass
CWE: CWE-288 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Zero-Day.cz: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

02/21/2024 🔍
02/21/2024 +0 days 🔍
02/21/2024 +0 days 🔍
01/28/2025 +341 days 🔍

Sourcesinfo

Advisory: connectwise.com
Status: Confirmed

CVE: CVE-2024-1709 (🔍)
GCVE (CVE): GCVE-0-2024-1709
GCVE (VulDB): GCVE-100-254412
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/21/2024 16:53
Updated: 01/28/2025 00:30
Changes: 02/21/2024 16:53 (46), 03/13/2024 08:49 (2), 04/30/2024 15:02 (26), 06/05/2024 06:23 (2), 09/09/2024 22:30 (4), 01/28/2025 00:30 (13)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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