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

CVE-2021-42671

Disclosure Date: November 05, 2021
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Discovery
Techniques
Validation
Validated
Validated

Description

** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided.

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Technical Analysis

CVE-2021-42671

Vendor

Description:

An RCE vulnerability exists in Engineers Online Portal 1.0 when the malicious user creates an account with a malicious purpose.
When the user is already with the account he can upload a malicious RCE exploit without any problem – no sanitizing.
After uploading this RCE malicious file, he can navigate by using the directory traversal method, which is another problem of this system, then he can execute the malicious code. Conclusion: Status awful and critical.

Reproduce:

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Proof and exploit:

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CVSS V3 Severity and Metrics
Base Score:
7.5 High
Impact Score:
3.6
Exploitability Score:
3.9
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
None
Availability (A):
None

General Information

Additional Info

Technical Analysis