{"id":85899,"date":"2025-11-27T03:30:05","date_gmt":"2025-11-27T03:30:05","guid":{"rendered":""},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-30T00:00:00","slug":"cve-2025-53394-arbitrary-code-execution-in-paramount-macrium-reflect","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-53394-arbitrary-code-execution-in-paramount-macrium-reflect\/","title":{"rendered":"CVE-2025-53394: Arbitrary Code Execution in Paramount Macrium Reflect<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

This report details a critical vulnerability identified as CVE-2025-53394, affecting Paramount Macrium Reflect until 2025-06-26. This software flaw allows attackers to run arbitrary code with administrator privileges, posing a serious threat to the security and integrity of systems running the affected version of this software. Given the severity of this vulnerability, it requires immediate attention and mitigation.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2025-53394
\nSeverity: High (CVSS: 7.7)
\nAttack Vector: Local File Inclusion
\nPrivileges Required: User
\nUser Interaction: Required
\nImpact: System compromise and potential data leakage<\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

Paramount Macrium Reflect | Up to 2025-06-26<\/p>\n

How the Exploit Works<\/strong><\/p>\n

An attacker can exploit this vulnerability by creating a malicious .mrimgx or .mrbax backup file and placing a renamed executable file (e.g., explorer.exe) in the same directory. When a user with administrative privileges opens the crafted backup file and mounts it, Macrium Reflect runs the renamed executable. The software does not adequately validate companion files referenced during backup mounting, allowing the attacker’s code to execute with administrative privileges.<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

This is a conceptual representation of how the vulnerability might be exploited. It includes creating a crafted backup file and a renamed executable, both placed in the same directory.<\/p>\n

# Create a malicious backup file\necho \"malicious code\" > exploit.mrimgx\n# Create a renamed executable (e.g., explorer.exe)\necho \"malicious code\" > explorer.exe\n# Place both files in the same directory\nmv exploit.mrimgx \/path\/to\/directory\nmv explorer.exe \/path\/to\/directory<\/code><\/pre>\n
Upon mounting the `exploit.mrimgx` file, the `explorer.exe` file would execute, running the malicious code with administrative privileges.<\/p>\n
Mitigation Guidance<\/strong><\/p>\n
Users are urged to apply the latest patch provided by the vendor to mitigate this vulnerability effectively. As a temporary measure, users can use Web Application Firewall (WAF) or Intrusion Detection Systems (IDS) to detect and prevent potential exploits.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview This report details a critical vulnerability identified as CVE-2025-53394, affecting Paramount Macrium Reflect until 2025-06-26. This software flaw allows attackers to run arbitrary code with administrator privileges, posing a serious threat to the security and integrity of systems running the affected version of this software. Given the severity of this vulnerability, it requires immediate […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[],"tags":[],"vendor":[],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-85899","post","type-post","status-publish","format-standard","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t