7.1 - CVE-2021-34201

Executive Summary

This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.

Informations
Name	CVE-2021-34201	First vendor Publication	2021-06-16
Vendor	Cve	Last vendor Modification	2024-02-14

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Overall CVSS Score	7.1
Base Score	7.1	Environmental Score	7.1
impact SubScore	5.2	Temporal Score	7.1
Exploitabality Sub Score	1.8

Attack Vector	Local	Attack Complexity	Low
Privileges Required	Low	User Interaction	None
Scope	Unchanged	Confidentiality Impact	None
Integrity Impact	High	Availability Impact	High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:N/I:P/A:P)
Cvss Base Score	3.6	Attack Range	Local
Cvss Impact Score	4.9	Attack Complexity	Low
Cvss Expoit Score	3.9	Authentication	None Required
Calculate full CVSS 2.0 Vectors scores

Detail

D-Link DIR-2640-US 1.01B04 is vulnerable to Buffer Overflow. There are multiple out-of-bounds vulnerabilities in some processes of D-Link AC2600(DIR-2640). Local ordinary users can overwrite the global variables in the .bss section, causing the process crashes or changes.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34201

CWE : Common Weakness Enumeration

%	Id	Name
100 %	CWE-787	Out-of-bounds Write (CWE/SANS Top 25)

CPE : Common Platform Enumeration

Type	Description	Count
Os	Dlink Dir-2640-Us Firmware cpe:2.3:o:dlink:dir-2640-us_firmware:1.01b04:::::::*	1

Sources (Detail)

Source	Url
MISC	http://d-link.com http://dir-2640-us.com https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-34201 https://www.dlink.com/en/security-bulletin/