CVE-2019-3942

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Advantech WebAccess 8.3.4 does not properly restrict an RPC call that allows unauthenticated, remote users to read files. An attacker can use this vulnerability to recover the administrator password.

Advantech WebAccess versión 8.3.4, no restringe apropiadamente una llamada RPC lo que permite a usuarios remotos no autenticados leer archivos. Un atacante puede usar esta vulnerabilidad para recuperar la contraseña de administrador.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-01-03 CVE Reserved
2020-04-01 CVE Published
2024-08-04 CVE Updated
2025-06-20 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-284: Improper Access Control
CWE-522: Insufficiently Protected Credentials

CAPEC

References (1)

URL	Tag	Source
https://www.tenable.com/security/research/tra-2019-15	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Advantech Search vendor "Advantech"		Webaccess Search vendor "Advantech" for product "Webaccess"				8.3.4 Search vendor "Advantech" for product "Webaccess" and version "8.3.4"		-		Affected