#VU54350 XML External Entity injection in Automate - CVE-2021-35066

Vulnerability identifier: #VU54350

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-35066

CWE-ID: CWE-611

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Automate
Client/Desktop applications / Other client software

Vendor: ConnectWise

Description

The vulnerability allows a remote attacker to execute arbitrary code on the system.

The vulnerability exists due to insufficient validation of user-supplied XML input. A remote attacker can pass a specially crafted XML code to the affected application and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Automate: 2021.6.131

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External links
https://www.connectwise.com/company/trust/security-bulletins
https://home.connectwise.com/securityBulletin/60cc8c63508a120001cb6e8d

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.