--- licence_title: Creative Commons Attribution 4.0 International (CC-BY 4.0) licence_link: https://creativecommons.org/licenses/by/4.0/ licence_restrictions: https://cert.europa.eu/legal-notice licence_author: CERT-EU, The Cybersecurity Service for the European Union institutions, bodies, offices and agencies title: 'High Vulnerability in Endpoint Manager Mobile (MobileIron Core)' version: '1.0' number: '2023-055' original_date: 'July 28, 2023' date: 'July 31, 2023' --- _History:_ * _31/07/2023 --- v1.0 -- Initial publication_ # Summary On July 28, 2023, US-based IT software company Ivanti disclosed a Remote File Write vulnerability in its Endpoint Manager Mobile (EPMM) software, previously known as MobileIron Core [1]. The vulnerability tracked as **CVE-2023-35081** with as CVSS score of 7.2 out of 10, is **actively exploited** and allows an attacker to create, modify, or delete files on a victim's system remotely [1]. Ivanti has released security patches [2] addressing this vulnerability. # Technical Details **CVE-2023-35081** enables an authenticated administrator to perform arbitrary file writes to the EPMM server. This vulnerability can be used in conjunction with **CVE-2023-35078** [3], bypassing administrator authentication and ACLs restrictions (if applicable). Successful exploitation can be used to write malicious files to the appliance, ultimately allowing a malicious actor to execute OS commands on the appliance as the tomcat user. # Affected Products Ivanti reports the vulnerability impacts all supported versions of Ivanti Endpoint Manager Mobile (EPMM) – Version 11.4 releases 11.10, 11.9 and 11.8. Note that **older versions/releases are also at risk**. # Recommendations CERT-EU strongly recommends reviewing Ivanti's security advisory [2] and upgrading affected systems to avoid potential exploitation of this vulnerability. # References [1] [2] [3]