Arbitrary file upload in NETGEAR Prosafe Network Management System
CVE-2021-27274
This vulnerability allows remote attackers to execute arbitrary code on affected installations of NETGEAR ProSAFE Network Management System 1.6.0.26. Authentication is not required to exploit this vulnerability. The specific flaw exists within the MFileUploadController class. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-12124.
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: 0.082 (94.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 94.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.082 · newest: 0.082 · change: 0.000
Affected products
- NETGEAR Prosafe Network Management System — versions 1.6.0.26
- NETGEAR Prosafe Network Management System — versions 1.6.0.26
Weakness classification (CWE)
References
- kb.netgear.com/000062688/Security-Advisory-for-Pre-Authentication-Command-Injec… (Vendor Advisory)
- www.zerodayinitiative.com/advisories/ZDI-21-357/ (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-27274?
- CVE-2021-27274 is a critical-severity vulnerability in NETGEAR Prosafe Network Management System, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2021-03-29.
- How severe is CVE-2021-27274?
- Critical severity. CVSS v3 base score is 9.8 out of 10.