Vulnerability · Published Mar 29, 2021 · Assigned by zdi

CVE-2021-27274

Critical 9.8

In plain English

A critical-severity unrestricted file upload in ProSAFE Network Management System from NETGEAR. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 8.5% (higher than 95% of all known vulnerabilities).

Severity (CVSS 3.0)9.8Critical
Exploit odds (30 days)8.5%top 5.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
NETGEAR ProSAFE Network Management System 1.6.0.26

Weakness: CWE-434 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References