CVE-2025-34121 Idera Up.Time ≤ 7.2 post2file.php Arbitrary File Upload RCE
Unauthenticated attackers can upload malicious PHP files to the webroot, leading to remote code execution on the monitoring server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-34121?
CVE-2025-34121 is a critical vulnerability in Idera Up.Time Monitoring Station, published on 16 Jul 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An unauthenticated arbitrary file upload vulnerability exists in Idera Up.Time Monitoring Station versions up to and including 7.2. The `wizards/post2file.php` script accepts arbitrary POST parameters, allowing attackers to upload crafted PHP files to the webroot. Successful exploitation results in remote code execution as the web server user. NOTE: The bypass for this vulnerability is tracked as CVE-2015-9263.
Which versions are affected by CVE-2025-34121?
How do I fix CVE-2025-34121?
No fix has been published for CVE-2025-34121 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-34121 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-34121 exists.
Public exploit code: 1 Metasploit module.
Sources
Also known as GHSA-7x48-359h-28rm.