CVE-2021-38834

HIGH

easy-mock <1.6.0 - Command Injection

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-38834. PoCs published by LionTree.

AI-analyzed exploit summary This exploit demonstrates an authenticated RCE vulnerability in easy-mock versions 1.5.0-1.6.0 by leveraging a prototype pollution attack to execute arbitrary commands via a crafted mock API endpoint. The PoC automates user registration, project creation, and payload delivery to trigger command execution.

Description

easy-mock v1.5.0-v1.6.0 allows remote attackers to bypass the vm2 sandbox and execute arbitrary system commands through special js code.

Exploits (1)

exploitdb WORKING POC
by LionTree · pythonwebappswindows
https://www.exploit-db.com/exploits/50194

This exploit demonstrates an authenticated RCE vulnerability in easy-mock versions 1.5.0-1.6.0 by leveraging a prototype pollution attack to execute arbitrary commands via a crafted mock API endpoint. The PoC automates user registration, project creation, and payload delivery to trigger command execution.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: easy-mock 1.5.0-1.6.0
Auth required
Prerequisites: Network access to the target · Ability to register a user account
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (1)

Core 1
Core References
Exploit, Third Party Advisory, VDB Entry x_refsource_misc
https://www.exploit-db.com/exploits/50194

Scores

CVSS v3 8.8
EPSS 0.0201
EPSS Percentile 78.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

Status published
Products (1)
easy-mock_project/easy_mock 1.5.0 - 1.6.0
Published Apr 05, 2022
Tracked Since Feb 18, 2026