8.8 - CVE-2021-40845

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-2021-40845	First vendor Publication	2021-09-15
Vendor	Cve	Last vendor Modification	2021-09-27

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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	Network	Attack Complexity	Low
Privileges Required	Low	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:N/AC:L/Au:S/C:P/I:P/A:P)
Cvss Base Score	6.5	Attack Range	Network
Cvss Impact Score	6.4	Attack Complexity	Low
Cvss Expoit Score	8	Authentication	Requires single instance
Calculate full CVSS 2.0 Vectors scores

Detail

The web part of Zenitel AlphaCom XE Audio Server through 11.2.3.10, called AlphaWeb XE, does not restrict file upload in the Custom Scripts section at php/index.php. Neither the content nor extension of the uploaded files is checked, allowing execution of PHP code under the /cmd directory.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40845

CWE : Common Weakness Enumeration

%	Id	Name
100 %	CWE-434	Unrestricted Upload of File with Dangerous Type (CWE/SANS Top 25)

Sources (Detail)

Source	Url
MISC	http://packetstormsecurity.com/files/164149/Zenitel-AlphaCom-XE-Audio-Server-... http://packetstormsecurity.com/files/164160/Zenitel-AlphaCom-XE-Audio-Server-... https://github.com/ricardojoserf/CVE-2021-40845 https://ricardojoserf.github.io/CVE-2021-40845/