CVE-2021-40845

8.8 HIGH

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 Scrip...

Published: 2021-09-15 · Last updated: 2026-06-17

Severity and scoring

CVSS: 8.8 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE: CWE-434

Affected products

Vendor	Product
zenitel	alphacom_xe_audio_server

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.

Source: NVD

References

[NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-40845
[Other]http://packetstormsecurity.com/files/164149/Zenitel-AlphaCom-XE-Audio-Server-11.2.3.10-Shell-Upload.html
[Exploit reference]http://packetstormsecurity.com/files/164160/Zenitel-AlphaCom-XE-Audio-Server-11.2.3.10-Shell-Upload.html
[Exploit reference]https://github.com/ricardojoserf/CVE-2021-40845
[Exploit reference]https://ricardojoserf.github.io/CVE-2021-40845/
[Other]http://packetstormsecurity.com/files/164149/Zenitel-AlphaCom-XE-Audio-Server-11.2.3.10-Shell-Upload.html
[Exploit reference]http://packetstormsecurity.com/files/164160/Zenitel-AlphaCom-XE-Audio-Server-11.2.3.10-Shell-Upload.html
[Exploit reference]https://github.com/ricardojoserf/CVE-2021-40845
[Exploit reference]https://ricardojoserf.github.io/CVE-2021-40845/

Related CVEs

Same CWE

CVE-2026-40750 — Unrestricted Upload of File with Dangerous Type vulnerability in themagnifico52 Kids Online Store allows Upload a Web Shell to a Web Server (9.9 CRITICAL)
CVE-2026-6933 — The Premmerce Dev Tools plugin for WordPress is vulnerable to Remote Code Execution via missing authorization in versions up to and inclu... (8.8 HIGH)
CVE-2026-40772 — Unauthenticated Arbitrary File Upload in GeekyBot <= 1.2.2 versions (10.0 CRITICAL)
CVE-2026-39591 — Subscriber Arbitrary File Upload in WP-BusinessDirectory <= 4.0.0 versions (9.9 CRITICAL)
CVE-2026-39527 — Subscriber Arbitrary File Upload in WpStream < 4.11.2 versions (5.4 MEDIUM)