CVE-2025-34121: Idera Up.Time ≤ 7.2 post2file.php Arbitrary File Upload RCE

Severity: critical (CVSS 9.3 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-07-16 · updated 2026-06-17
Weakness: CWE-306

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.

Affected products

Idera Up.Time Monitoring Station: through 7.2

References

https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/multi/http/uptime_file_upload_1.rb
https://web.archive.org/web/20150210113937/http://www.security-assessment.com/files/documents/advisory/Up.Time%207.2%20-%20Arbitrary%20File%20Upload.pdf
https://www.exploit-db.com/exploits/38732
https://www.vulncheck.com/advisories/idera-uptime-arbitrary-file-upload-rce

Get alerted when CVE-2025-34121 or the next vulnerability affects your stack