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CVE-2021-26024

The Favorites component before 1.0.2 for Nagios XI 5.8.0 is vulnerable to Insecure Direct Object...

5.3 Medium

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
Low
Availability
None

Exploit likelihood

19.2%Up 18.8 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used5.3

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.

Record
CVE-2021-26024
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:P/A:N
Weakness
CWE-639
Updated
2026-11-02
CVE ListNo score

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.

Record
CVE-2021-26024
Updated
2026-11-02
EUVDEUVD-2021-12848No score

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.

Record
EUVD-2021-12848
Updated
2026-11-03
GitHub AdvisoriesGHSA-6c6h-286r-v48r5.3

The Favorites component before 1.0.2 for Nagios XI 5.8.0 is vulnerable to Insecure Direct Object...

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.

Record
GHSA-6c6h-286r-v48r
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-26024 is a medium vulnerability (CVSS 5.3) in Nagios Favorites, published February 3, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 19.2%, the 97th percentile. No source names a fixed version.

References

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