PT-2021-17376 · NetGear · Netgear Prosafe Network Management System

Rgod · Published 2021-03-26 · Updated 2021-03-30 · CVE-2021-27272

Positive Technologies (AI Summary)

CVSS v2.0

7.5

High

Base vector

AV:N/AC:L/Au:S/C:N/I:P/A:C

Name of the Vulnerable Software and Affected Versions NETGEAR ProSAFE Network Management System version 1.6.0.26

Description This issue allows remote attackers to delete arbitrary files on affected installations, potentially creating a denial-of-service condition. Although authentication is required, the existing mechanism can be bypassed. The flaw exists within the ReportTemplateController class, where the path parameter is not properly validated before use in file operations.

Recommendations For NETGEAR ProSAFE Network Management System version 1.6.0.26, consider disabling the ReportTemplateController class until a patch is available to prevent potential exploitation. Restrict access to file operations to minimize the risk of denial-of-service conditions. Avoid using user-supplied paths in file operations until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

CVE-2021-27272

ZDI-21-355

Affected Products

Netgear Prosafe Network Management System

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2021-27272 · Security Note
• https://osv.dev/vulnerability/CVE-2021-27272 · Vendor Advisory
• https://kb.netgear.com/000062723/Security-Advisory-for-Denial-of-Service-on-NMS300-PSV-2020-0537 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-21-355 · Security Note