CVE-2021-27274

high-risk
Published 2021-03-29

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.

Do I need to act?

!
51.3% chance of exploitation in next 30 days
EPSS score — higher than 49% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Netgear

References (4)

Vendor Advisory https://kb.netgear.com/000062688/Security-Advisory-for-Pre-Authentication-Comman...
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-357/
Vendor Advisory https://kb.netgear.com/000062688/Security-Advisory-for-Pre-Authentication-Comman...
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-357/
55
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 18/34 · Moderate
Exposure 5/34 · Minimal