Vulnerability · CVE-2025-34121
An unauthenticated arbitrary file upload vulnerability exists in Idera Up.Time Monitoring Station versions up to and including 7.2.
Published Jul 16, 2025 · catalog updated Jul 28, 2026 · Idera Up.Time Monitoring Station
Check if you run it
No confirmed exploitation is on record for CVE-2025-34121. EPSS is 2.81%. Act only if a listed version of Idera Up.Time Monitoring Station is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- Critical9.3
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 2.81%
- Remediation
- Advisory link
- Affected products
- vendor Idera Up.Time Monitoring Station 0 ≤7.2
An unauthenticated arbitrary file upload vulnerability exists in Idera Up.Time Monitoring Station versions up to and including 7.2. The 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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor Idera Up.Time Monitoring Station 0 ≤7.20 ≤7.2
How to fix CVE-2025-34121
Recommended remediation
A patch or advisory reference is linked. Open the original publisher for availability by product version.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2025-34121. EPSS is 2.81%. Act only if a listed version of Idera Up.Time Monitoring Station is installed.
Which versions are affected?
Compare what you have installed with Idera Up.Time Monitoring Station 0 ≤7.2 0 ≤7.2. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 2.81%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Jul 16, 2025 · EUVD
Detected
An unauthenticated arbitrary file upload vulnerability exists in Idera Up.Time Monitoring Station versions up to and including 7.2. The 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.
Jul 28, 2026 · EUVD
Updated
An unauthenticated arbitrary file upload vulnerability exists in Idera Up.Time Monitoring Station versions up to and including 7.2. The 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.
Sources
- CVE.orgVulnerability recordCVE-2025-34121
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-34121
30-day exploitation probability 2.81%
first.org - EUVDVulnerability recordEUVD-2025-21749
An unauthenticated arbitrary file upload vulnerability exists in Idera Up.Time Monitoring Station versions up to and including 7.2. The script accepts arbitrary POST parameters, allowing attackers to upload crafted PHP files to the webroot. Successful exploitation results in remo
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Oct 21, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.