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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (8.17%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 8.17% probability · 95th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-434
- Affected
- netgear/prosafe network management system
- Source
- zdi-disclosures@trendmicro.com
References
- https://kb.netgear.com/000062688/Security-Advisory-for-Pre-Authentication-Command-Injection-on-NMS300-PSV-2020-0560Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-357/Third Party Advisory, VDB Entry
- https://kb.netgear.com/000062688/Security-Advisory-for-Pre-Authentication-Command-Injection-on-NMS300-PSV-2020-0560Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-357/Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.