High severity8.8NVD Advisory· Published Jan 12, 2022· Updated Jun 17, 2026
CVE-2021-42561
CVE-2021-42561
Description
An issue was discovered in CALDERA 2.8.1. When activated, the Human plugin passes the unsanitized name parameter to a python "os.system" function. This allows attackers to use shell metacharacters (e.g., backticks "``" or dollar parenthesis "$()" ) in order to escape the current command and execute arbitrary shell commands.
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Affected products
3- CALDERA/CALDERAdescription
Patches
Vulnerability mechanics
References
2- github.com/DrunkenShells/Disclosures/tree/master/CVE-2021-42561-Command%20Injection%20Via%20the%20Human%20Plugin-MITRE%20CalderanvdExploitThird Party Advisory
- github.com/mitre/caldera/releasesnvdRelease NotesThird Party Advisory
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