Security readout for executives and security teams
Plain-English summary
A remote attacker may be able to take control of an affected Idera Up.Time Monitoring Station without credentials. The vulnerable web script accepts uploaded PHP files, which can execute with the web server account’s permissions. Internet-facing systems running version 7.2 or earlier require urgent review.
Executive priority
Treat internet-accessible or otherwise untrusted-network-reachable installations as an immediate priority. Public exploit resources and unauthenticated remote code execution create credible takeover risk. Confirm exposure now, contain vulnerable interfaces, investigate for compromise, and obtain authoritative vendor remediation guidance.
Technical view
CVE-2025-34121 is an unauthenticated arbitrary file upload in wizards/post2file.php affecting Up.Time Monitoring Station through 7.2. Insufficient authentication and file validation allow server-executable content in the webroot, resulting in code execution as the web server user. The source bundle identifies CVE-2015-9263 as a related bypass.
Likely exposure
Highest risk applies to Up.Time Monitoring Station 7.2 or earlier when its web interface is internet-accessible or reachable from untrusted networks. Internally hosted systems remain exposed following network compromise. The supplied structured affected-version data is inconsistent, so confirm inventory against vendor guidance.
Exploitation context
Public exploit material is referenced in Metasploit and Exploit-DB, substantially lowering the barrier to attempted exploitation. However, the source bundle marks this CVE as absent from KEV, and the supplied sources do not establish active exploitation in the wild.
Researcher notes
The CVE description supports impact through version 7.2, but the structured affected entry lists version 0 with a default unaffected status. This inconsistency limits precise product matching. No fixed release or vendor-authored mitigation is identified in the supplied bundle. CVE-2015-9263 should be reviewed separately as the stated bypass.
Mitigation direction
- Obtain current remediation and supported-version guidance from Idera before selecting an upgrade target.
- Restrict the monitoring interface to trusted management networks and authenticated administrative paths.
- Temporarily block external access to wizards/post2file.php if operational testing confirms this is safe.
- Isolate potentially compromised systems and begin incident response before restoring service.
- Apply least privilege to the web server account and restrict webroot write permissions where supported.
Validation and detection
- Inventory all Up.Time Monitoring Station deployments and confirm their exact installed versions.
- Determine whether wizards/post2file.php is reachable without authentication from each relevant network zone.
- Review web logs for unexpected POST requests targeting wizards/post2file.php.
- Inspect the webroot for unexpected or recently created PHP files.
- Assess suspicious processes and files created under the web server account.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-306: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCWE-434: File access and web shell behavior lookup
File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupFile access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2025-34121 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.3 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N——VulnCheckVulnerability scoring details
Base CVSS 4.0 score
9.3CriticalVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/multi/http/uptime_file_upload_1.rbCVE reference, VulnCheck · exploit
- https://web.archive.org/web/20150210113937/http://www.security-assessment.com/files/documents/advisory/Up.Time%207.2%20-%20Arbitrary%20File%20Upload.pdfCVE reference, VulnCheck · third-party-advisory, exploit
- https://www.exploit-db.com/exploits/38732CVE reference, VulnCheck · exploit
- https://www.vulncheck.com/advisories/idera-uptime-arbitrary-file-upload-rceCVE reference, VulnCheck · third-party-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Missing Authentication for Critical Function
Missing Authentication for Critical Function represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
Unrestricted Upload of File with Dangerous Type
Unrestricted Upload of File with Dangerous Type represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.