Attacker Value
Very High
(1 user assessed)
Exploitability
Moderate
(1 user assessed)
User Interaction
Required
Privileges Required
None
Attack Vector
Network
1

CVE-2021-33041

Disclosure Date: May 17, 2021
Add MITRE ATT&CK tactics and techniques that apply to this CVE.
Defense Evasion
Techniques
Validation
Validated
Validated
Validated
Execution
Techniques
Validation
Validated
Validated
Validated

Description

vmd through 1.34.0 allows ‘div class=“markdown-body”’ XSS, as demonstrated by Electron remote code execution via require(‘child_process’).execSync(‘calc.exe’) on Windows and a similar attack on macOS.

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2
Ratings
Technical Analysis

CVE-2021-33041

If someone malicious guy sends MD file with malicious content, and for example, the user is a real user ;) and don’t know what actually is going on, and open the file with VMD, boom, the game is over for him.

#Proof:
https://streamable.com/j7e13y – low
https://streamable.com/oykc86 – medium
https://streamable.com/yywb0h – high
https://streamable.com/ngx2xm – very high

M0r3:

https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-33041

BR

CVSS V3 Severity and Metrics
Base Score:
6.1 Medium
Impact Score:
2.7
Exploitability Score:
2.8
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
Required
Scope (S):
Changed
Confidentiality (C):
Low
Integrity (I):
Low
Availability (A):
None

General Information

Additional Info

Technical Analysis