Auth bypass in Nagios Favorites

CVE-2021-26024

The Favorites component before 1.0.2 for Nagios XI 5.8.0 is vulnerable to Insecure Direct Object Reference: it is possible to create favorites for any other user account.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.190 (97.2th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-26024: held from 0.190 to 0.190.

EPSS over last 30 days · oldest: 0.190 · newest: 0.190 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-26024?
CVE-2021-26024 is a medium-severity vulnerability in Nagios Favorites, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.3/10. Published 2021-02-03.
How severe is CVE-2021-26024?
Medium severity. CVSS v3 base score is 5.3 out of 10.