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cvelistZdiCVELIST:CVE-2021-27276
HistoryMar 29, 2021 - 8:55 p.m.

CVE-2021-27276

2021-03-2920:55:25
CWE-22
zdi
www.cve.org
5
vulnerability
remote attackers
file deletion
netgear prosafe
authentication bypass
mibcontroller class
denial-of-service

CVSS3

7.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

EPSS

0.011

Percentile

84.4%

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 MibController class. When parsing the realName 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-12122.

CNA Affected

[
  {
    "product": "ProSAFE Network Management System",
    "vendor": "NETGEAR",
    "versions": [
      {
        "status": "affected",
        "version": "1.6.0.26"
      }
    ]
  }
]

CVSS3

7.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

EPSS

0.011

Percentile

84.4%

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