Executive Summary
Informations | |||
---|---|---|---|
Name | CVE-2021-27252 | First vendor Publication | 2021-04-14 |
Vendor | Cve | Last vendor Modification | 2021-04-27 |
Security-Database Scoring CVSS v3
Cvss vector : CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | |||
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Overall CVSS Score | 8.8 | ||
Base Score | 8.8 | Environmental Score | 8.8 |
impact SubScore | 5.9 | Temporal Score | 8.8 |
Exploitabality Sub Score | 2.8 | ||
Attack Vector | Adjacent | Attack Complexity | Low |
Privileges Required | None | User Interaction | None |
Scope | Unchanged | Confidentiality Impact | High |
Integrity Impact | High | Availability Impact | High |
Calculate full CVSS 3.0 Vectors scores |
Security-Database Scoring CVSS v2
Cvss vector : (AV:A/AC:L/Au:N/C:C/I:C/A:C) | |||
---|---|---|---|
Cvss Base Score | 8.3 | Attack Range | Adjacent network |
Cvss Impact Score | 10 | Attack Complexity | Low |
Cvss Expoit Score | 6.5 | Authentication | None Required |
Calculate full CVSS 2.0 Vectors scores |
Detail
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R7800 firmware version 1.0.2.76. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the vendor_specific DHCP opcode. The issue results from the lack of proper validation of 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 root. Was ZDI-CAN-12216. |
Original Source
Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27252 |
CWE : Common Weakness Enumeration
% | Id | Name |
---|---|---|
100 % | CWE-78 | Improper Sanitization of Special Elements used in an OS Command ('OS Command Injection') (CWE/SANS Top 25) |
CPE : Common Platform Enumeration
Type | Description | Count |
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Os | 1 | |
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Os | 2 |
Sources (Detail)
Source | Url |
---|---|
MISC | https://kb.netgear.com/000062883/Security-Advisory-for-Multiple-Vulnerabiliti... https://www.zerodayinitiative.com/advisories/ZDI-21-248/ |
Alert History
Date | Informations |
---|---|
2021-04-27 21:23:08 |
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2021-04-14 21:23:22 |
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