CVE-2021-26753 — CRITICAL (9.9)

Vulnerability Description

NeDi 1.9C allows an authenticated user to inject PHP code in the System Files function on the endpoint /System-Files.php via the txt HTTP POST parameter. This allows an attacker to obtain access to the operating system where NeDi is installed and to all application data.

CVSS Score

9.9

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Nedi	Nedi	1.9c

Related Weaknesses (CWE)

CWE-863

References

https://n4nj0.github.io/advisories/nedi-multiple-vulnerabilities-i/ExploitThird Party Advisory
https://n4nj0.github.io/advisories/nedi-multiple-vulnerabilities-i/ExploitThird Party Advisory

FAQ

What is CVE-2021-26753?

CVE-2021-26753 is a vulnerability with a CVSS score of 9.9 (CRITICAL). NeDi 1.9C allows an authenticated user to inject PHP code in the System Files function on the endpoint /System-Files.php via the txt HTTP POST parameter. This allows an attacker to obtain access to th...

How severe is CVE-2021-26753?

CVE-2021-26753 has been rated CRITICAL with a CVSS base score of 9.9/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-26753?

Check the references section above for vendor advisories and patch information. Affected products include: Nedi Nedi.