Vulnerability Details CVE-2021-27273
This vulnerability allows remote attackers to execute arbitrary code on affected installations of NETGEAR ProSAFE Network Management System 1.6.0.26. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the SettingConfigController class. When parsing the fileName parameter, the process does not properly validate a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-12121.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.404
EPSS Ranking 97.2%
CVSS Severity
CVSS v3 Score 8.8
CVSS v2 Score 9.0
References
- https://kb.netgear.com/000062686/Security-Advisory-for-Post-Authentication-Command-Injection-on-NMS300-PSV-2020-0559
- https://www.zerodayinitiative.com/advisories/ZDI-21-356/
- https://kb.netgear.com/000062686/Security-Advisory-for-Post-Authentication-Command-Injection-on-NMS300-PSV-2020-0559
- https://www.zerodayinitiative.com/advisories/ZDI-21-356/
Products affected by CVE-2021-27273
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cpe:2.3:a:netgear:prosafe_network_management_system:1.6.0.26