Arbitrary file upload in Monitorr
CVE-2020-28871
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.
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.858 (99.7th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.858 · newest: 0.858 · change: 0.000
Affected products
- Monitorr — versions 1.7.6m
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lyhinslab.org/index.php/2020/09/12/how-the-white-box-hacking-works-authorizatio… (Exploit, Third Party Advisory)
- www.exploit-db.com/exploits/48980 (Exploit, VDB Entry, Third Party Advisory)
- packetstormsecurity.com/files/163263/Monitorr-1.7.6m-Bypass-Information-Disclos… (Exploit, VDB Entry, Third Party Advisory)
- packetstormsecurity.com/files/170974/Monitorr-1.7.6-Shell-Upload.html
- packetstormsecurity.com/files/171429/Monitorr-1.7.6m-1.7.7d-Remote-Code-Executi…
Frequently asked questions
- What is CVE-2020-28871?
- CVE-2020-28871 is a critical-severity vulnerability in Monitorr, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2021-02-10.
- How severe is CVE-2020-28871?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-28871 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.