Path Traversal in NETGEAR Prosafe Network Management System
CVE-2021-27272
This vulnerability allows remote attackers to delete arbitrary files 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 ReportTemplateController class. When parsing the path parameter, the process does not properly validate a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-12123.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H.
EPSS exploit prediction
EPSS: 0.745 (99.5th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.738 · newest: 0.745 · change: +0.007
Affected products
- NETGEAR Prosafe Network Management System — versions 1.6.0.26
- NETGEAR Prosafe Network Management System — versions 1.6.0.26
Weakness classification (CWE)
References
- kb.netgear.com/000062723/Security-Advisory-for-Denial-of-Service-on-NMS300-PSV-… (Vendor Advisory)
- www.zerodayinitiative.com/advisories/ZDI-21-355/ (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-27272?
- CVE-2021-27272 is a high-severity vulnerability in NETGEAR Prosafe Network Management System, classified under Path Traversal. CVSS score: 7.1/10. Published 2021-03-29.
- How severe is CVE-2021-27272?
- High severity. CVSS v3 base score is 7.1 out of 10.