What is CVE-2021-26753?

CVE-2021-26753 is a critical-severity vulnerability in Nedi, classified under Incorrect Authorization. CVSS score: 9.9/10. Published 2021-02-12.

How severe is CVE-2021-26753?

Critical severity. CVSS v3 base score is 9.9 out of 10.

Auth bypass in Nedi

CVE-2021-26753

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.

Vulnerability class: Broken Access Control

EPSS: 0.011 (63.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Nedi — versions 1.9c
N/a — versions n/a

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-26753?: CVE-2021-26753 is a critical-severity vulnerability in Nedi, classified under Incorrect Authorization. CVSS score: 9.9/10. Published 2021-02-12.
How severe is CVE-2021-26753?: Critical severity. CVSS v3 base score is 9.9 out of 10.