CVE-2021-40845
Zenitel AlphaCom XE Audio Server Remote Code Execution Vulnerability
Description
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.
INFO
Published Date :
Sept. 15, 2021, 1:15 p.m.
Last Modified :
Nov. 21, 2024, 6:24 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
2.8
Public PoC/Exploit Available at Github
CVE-2021-40845 has a 3 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-40845.
| URL | Resource |
|---|---|
| http://packetstormsecurity.com/files/164149/Zenitel-AlphaCom-XE-Audio-Server-11.2.3.10-Shell-Upload.html | Third Party Advisory VDB Entry |
| http://packetstormsecurity.com/files/164160/Zenitel-AlphaCom-XE-Audio-Server-11.2.3.10-Shell-Upload.html | Exploit Third Party Advisory VDB Entry |
| https://github.com/ricardojoserf/CVE-2021-40845 | Exploit Third Party Advisory |
| https://ricardojoserf.github.io/CVE-2021-40845/ | Exploit Third Party Advisory |
| http://packetstormsecurity.com/files/164149/Zenitel-AlphaCom-XE-Audio-Server-11.2.3.10-Shell-Upload.html | Third Party Advisory VDB Entry |
| http://packetstormsecurity.com/files/164160/Zenitel-AlphaCom-XE-Audio-Server-11.2.3.10-Shell-Upload.html | Exploit Third Party Advisory VDB Entry |
| https://github.com/ricardojoserf/CVE-2021-40845 | Exploit Third Party Advisory |
| https://ricardojoserf.github.io/CVE-2021-40845/ | Exploit Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
AlphaWeb XE, the embedded web server running on AlphaCom XE, has a vulnerability which allows to upload PHP files leading to RCE once the authentication is successful - https://ricardojoserf.github.io/CVE-2021-40845/
exploit cve zenitel alphaweb
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Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-40845 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-40845 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/164149/Zenitel-AlphaCom-XE-Audio-Server-11.2.3.10-Shell-Upload.html Added Reference http://packetstormsecurity.com/files/164160/Zenitel-AlphaCom-XE-Audio-Server-11.2.3.10-Shell-Upload.html Added Reference https://github.com/ricardojoserf/CVE-2021-40845 Added Reference https://ricardojoserf.github.io/CVE-2021-40845/ -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Sep. 27, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type http://packetstormsecurity.com/files/164149/Zenitel-AlphaCom-XE-Audio-Server-11.2.3.10-Shell-Upload.html No Types Assigned http://packetstormsecurity.com/files/164149/Zenitel-AlphaCom-XE-Audio-Server-11.2.3.10-Shell-Upload.html Third Party Advisory, VDB Entry Changed Reference Type http://packetstormsecurity.com/files/164160/Zenitel-AlphaCom-XE-Audio-Server-11.2.3.10-Shell-Upload.html No Types Assigned http://packetstormsecurity.com/files/164160/Zenitel-AlphaCom-XE-Audio-Server-11.2.3.10-Shell-Upload.html Exploit, Third Party Advisory, VDB Entry Changed Reference Type https://github.com/ricardojoserf/CVE-2021-40845 No Types Assigned https://github.com/ricardojoserf/CVE-2021-40845 Exploit, Third Party Advisory Changed Reference Type https://ricardojoserf.github.io/CVE-2021-40845/ No Types Assigned https://ricardojoserf.github.io/CVE-2021-40845/ Exploit, Third Party Advisory Added CWE NIST CWE-434 Added CPE Configuration OR *cpe:2.3:a:zenitel:alphacom_xe_audio_server:*:*:*:*:*:*:*:* versions up to (including) 11.2.3.10 -
CVE Modified by [email protected]
Sep. 15, 2021
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/164160/Zenitel-AlphaCom-XE-Audio-Server-11.2.3.10-Shell-Upload.html [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-40845 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-40845
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
26.96 }} -23.33%
score
0.95938
percentile