9.8
CRITICAL
CVE-2021-35066
ConnectWise Automate XML External Entity Injection Vulnerability
Description

An XXE vulnerability exists in ConnectWise Automate before 2021.0.6.132.

INFO

Published Date :

June 21, 2021, 8:15 p.m.

Last Modified :

Nov. 21, 2024, 6:11 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2021-35066 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Connectwise automate
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-35066.

URL Resource
https://home.connectwise.com/securityBulletin/60cc8c63508a120001cb6e8d Permissions Required Vendor Advisory
https://www.connectwise.com/company/trust/security-bulletins Vendor Advisory
https://home.connectwise.com/securityBulletin/60cc8c63508a120001cb6e8d Permissions Required Vendor Advisory
https://www.connectwise.com/company/trust/security-bulletins Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-35066 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-35066 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://home.connectwise.com/securityBulletin/60cc8c63508a120001cb6e8d
    Added Reference https://www.connectwise.com/company/trust/security-bulletins
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Jun. 28, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://home.connectwise.com/securityBulletin/60cc8c63508a120001cb6e8d No Types Assigned https://home.connectwise.com/securityBulletin/60cc8c63508a120001cb6e8d Permissions Required, Vendor Advisory
    Changed Reference Type https://www.connectwise.com/company/trust/security-bulletins No Types Assigned https://www.connectwise.com/company/trust/security-bulletins Vendor Advisory
    Added CWE NIST CWE-611
    Added CPE Configuration OR *cpe:2.3:a:connectwise:automate:*:*:*:*:*:*:*:* versions up to (excluding) 2021.0.6.132
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-35066 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-35066 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.24 }} 0.02%

score

0.63757

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability