CVE-2021-42561
8.8 · HIGHOverview
CVE-2021-42561 is a high-severity vulnerability affecting mitre caldera. It was published on January 12, 2022 and has a CVSS 3.1 base score of 8.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from mitre. Update caldera to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| mitre | caldera | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2021-42561?
CVE-2021-42561 is a high-severity vulnerability affecting mitre caldera. It was published on January 12, 2022 and has a CVSS 3.1 base score of 8.8 (HIGH).
How severe is CVE-2021-42561?
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-42561?
Check the references section for vendor advisories and patches from mitre. Update caldera to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-42561?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-42561 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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