### [CVE-2021-43034](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43034) ![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=n%2Fa%20&color=brightgreen) ![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brightgreen) ### Description An issue was discovered in Kaseya Unitrends Backup Appliance before 10.5.5. A world writable file allowed local users to execute arbitrary code as the user apache, leading to privilege escalation. ### POC #### Reference - https://helpdesk.kaseya.com/hc/en-gb/articles/4412762258961 - https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part-1 - https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part-2 #### Github No PoCs found on GitHub currently.