CVE-2021-36121 File upload in n/a
Authenticated attackers can upload arbitrary files to the Z: drive via directory traversal, achieving remote code execution as SYSTEM.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-36121?
CVE-2021-36121 is a high-severity vulnerability in n/a, published on 13 Jul 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An issue was discovered in Echo ShareCare 8.15.5. The file-upload feature in Access/DownloadFeed_Mnt/FileUpload_Upd.cfm is susceptible to an unrestricted upload vulnerability via the name1 parameter, when processing remote input from an authenticated user, leading to the ability for arbitrary files to be written to arbitrary filesystem locations via ../ Directory Traversal on the Z: drive (a hard-coded drive letter where ShareCare application files reside) and remote code execution as the ShareCare service user (NT AUTHORITY\SYSTEM).
Weakness: CWE-434
Which versions are affected by CVE-2021-36121?
It affects 1 product.
Products include Echobh Sharecare.
How do I fix CVE-2021-36121?
No fix has been published for CVE-2021-36121 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-36121 being exploited?
There is no known exploitation of CVE-2021-36121 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-wqqh-79fq-5fg5.