Critical severity · published Jul 16, 2025
CVE-2025-34121
Idera Up.Time ≤ 7.2 post2file.php Arbitrary File Upload RCE
9.3
CVSS
2.8%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)2.8% · higher than 86% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UM
Up.Time Monitoring Station · Idera
through 7.2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-34121
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-34121
raw.githubusercontent.com
https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/multi/http/uptime_file_upload_1.rb
web.archive.org
https://web.archive.org/web/20150210113937/http://www.security-assessment.com/files/documents/advisory/Up.Time%207.2%20-%20Arbitrary%20File%20Upload.pdf
www.exploit-db.com
https://www.exploit-db.com/exploits/38732
www.vulncheck.com
https://www.vulncheck.com/advisories/idera-uptime-arbitrary-file-upload-rce