CVE-2019-5077

Severity Score

9.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An exploitable denial-of-service vulnerability exists in the iocheckd service ‘’I/O-Chec’’ functionality of WAGO PFC 200 Firmware versions 03.01.07(13) and 03.00.39(12), and WAGO PFC 100 Firmware version 03.00.39(12). A specially crafted set of packets can cause a denial of service, resulting in the device entering an error state where it ceases all network communications. An attacker can send unauthenticated packets to trigger this vulnerability.

Existe una vulnerabilidad de denegación de servicio explotable en la funcionalidad del servicio iocheckd '' I / O-Chec '' de las versiones de firmware WAGO PFC 200 03.01.07 (13) y 03.00.39 (12), y la versión de firmware WAGO PFC 100 03.00 .39 (12). Un conjunto de paquetes especialmente diseñado puede causar una denegación de servicio, lo que da como resultado que el dispositivo entre en un estado de error donde cesa todas las comunicaciones de red. Un atacante puede enviar paquetes no autenticados para activar esta vulnerabilidad.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-01-04 CVE Reserved
2019-12-18 CVE Published
2023-07-08 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-306: Missing Authentication for Critical Function

CAPEC

References (1)

URL	Tag	Source
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0869	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
Wago Search vendor "Wago"	Pfc 200 Firmware Search vendor "Wago" for product "Pfc 200 Firmware"	03.00.39\(12\) Search vendor "Wago" for product "Pfc 200 Firmware" and version "03.00.39\(12\)"	-	Affected	in	Wago Search vendor "Wago"	Pfc 200 Search vendor "Wago" for product "Pfc 200"	-	-	Safe
Wago Search vendor "Wago"	Pfc 200 Firmware Search vendor "Wago" for product "Pfc 200 Firmware"	03.01.07\(13\) Search vendor "Wago" for product "Pfc 200 Firmware" and version "03.01.07\(13\)"	-	Affected	in	Wago Search vendor "Wago"	Pfc 200 Search vendor "Wago" for product "Pfc 200"	-	-	Safe
Wago Search vendor "Wago"	Pfc 100 Firmware Search vendor "Wago" for product "Pfc 100 Firmware"	03.00.39\(12\) Search vendor "Wago" for product "Pfc 100 Firmware" and version "03.00.39\(12\)"	-	Affected	in	Wago Search vendor "Wago"	Pfc 100 Search vendor "Wago" for product "Pfc 100"	-	-	Safe