CVE-2021-40845

Public Exploit

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.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 26.96% Top 5%
Third-Party Advisory packetstormsecurity.com Third-Party Advisory packetstormsecurity.com Third-Party Advisory github.com Third-Party Advisory github.io
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://packetstormsecurity.com/files/164149/Zenitel-AlphaCom-XE-Audio-Server-11.2.3.10-Shell-Upload.html vdb entry third party advisory
https://github.com/ricardojoserf/CVE-2021-40845 third party advisory exploit
https://ricardojoserf.github.io/CVE-2021-40845/ third party advisory exploit
http://packetstormsecurity.com/files/164160/Zenitel-AlphaCom-XE-Audio-Server-11.2.3.10-Shell-Upload.html exploit vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-40845?
CVE-2021-40845 has been scored as a high severity vulnerability.
How to fix CVE-2021-40845?
To fix CVE-2021-40845, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-40845 being actively exploited in the wild?
It is possible that CVE-2021-40845 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~27% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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