Vulnerability Report

CVE-2021-43936

RCE

Title: Arbitrary file upload leading to RCE in WebHMI portal

RCE

Proof Of Concept

PoC Available for CVE-2021-43936

CWE Category CWE-434
Published Date Dec 06, 2021
Modified Date Nov 21, 2024
Exploit Status Available
Score 10.0 CVSS v3.1
Exploit Probability (EPSS)
35.80%

Vulnerability Summary

CVE-2021-43936: The software allows the attacker to upload or transfer files of dangerous types to the WebHMI portal, that may be automatically processed within the product's environment or lead to arbitrary code execution.

Impacted Vendors

I
iconics 1
W
webhmi 1

Reference Links

http://packetstormsecurity.com/files/165252/WebHMI-4.0-Remote-Code-Execution.html https://us-cert.cisa.gov/ics/advisories/icsa-21-336-03 http://packetstormsecurity.com/files/165252/WebHMI-4.0-Remote-Code-Execution.html https://us-cert.cisa.gov/ics/advisories/icsa-21-336-03
CVSS v3.1
Source Entity [email protected]
Severity CRITICAL
10.0
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
CHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v3.1
Source Entity [email protected]
Severity CRITICAL
9.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
Source Entity [email protected]
Severity HIGH
10.0
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:C/I:C/A:C

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-43936 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/50589
View Code
MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected Stack

No specific products linked.