Command Injection Vulnerability in CALDERA by Mitre
CVE-2021-42561

8.8HIGH

Key Information:

Vendor

Mitre

Status
Caldera
Vendor
CVE Published:
12 January 2022

Badges

👾 Exploit Exists🟣 EPSS 10%

What is CVE-2021-42561?

A security flaw in CALDERA 2.8.1 involves the Human plugin that inaccurately handles the 'name' parameter. When activated, it fails to sanitize inputs and directly passes them to a python 'os.system' function. This exposure allows cybercriminals to leverage shell metacharacters, enabling them to escape from the current command and execute arbitrary shell commands. This vulnerability highlights critical oversights in input sanitization and the need for robust security practices.

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References

https://github.com/mitre/caldera/releases
x_refsource_MISC
https://github.com/DrunkenShells/Disclosures/tree/master/...
x_refsource_MISC

EPSS Score

10% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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