CVE-2021-42559

8.8 highEPSS 2.0%

High (8.8) in mitre caldera. EPSS 2.0% chance of exploitation in the next 30 days.

An issue was discovered in CALDERA 2.8.1. It contains multiple startup "requirements" that execute commands when starting the server. Because these commands can be changed via the REST API, an authenticated user can insert arbitrary commands that will execute when the server is restarted.

Severity

CVSS 3.1

8.8 high

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

EPSS: 2.0% chance of exploitation in the next 30 days; higher than 80% of CVEs (scores of 2026-10-31)
CWE: CWE-77
Published: 2022-01-12
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mitre:caldera

References

https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2021-42559-Command%20Injection%20Via%20Configurations-MITRE%20Caldera
https://github.com/mitre/caldera/releases
https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2021-42559-Command%20Injection%20Via%20Configurations-MITRE%20Caldera
https://github.com/mitre/caldera/releases

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