Remote code execution in Monitorr v1.7.6m in upload.php allows an unauthorized person to…
Priority HIGH 84CWE-434Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-434.
Summary
Remote code execution in Monitorr v1.7.6m in upload.php allows an unauthorized person to execute arbitrary code on the server-side via an insecure file upload.
Why it matters now
EPSS 0.85901 99th percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-28871
- 2026-10-03 Alias added: GHSA-pcjf-xrw4-4cc2
References
Exploit 3
More Monitorr vulnerabilities
- TI-2023-11768 File Upload vulnerability found in Monitorr v.1.7.6 allows a remote attacker t oexecute… CVSS 3.1HIGH 7.8
- TI-2020-17424 An authorization bypass vulnerability in Monitorr v1.7.6m in… CVSS 3.1CRITICAL 9.8
- TI-2025-06422 Monitorr Installer mkdbajax.php input validation CVSS 4.0LOW 2.1
- TI-2023-11769 Cross Site Scripting vulnerability found in Monitorr v.1.7.6 allows a remote attacker to… CVSS 3.1MEDIUM 6.1
Sources
- CVE-2020-28871 · CVE Program
- CVE-2020-28871 · NVD
- FIRST EPSS
- GHSA-pcjf-xrw4-4cc2 · GitHub Advisory Database · CC BY 4.0
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