CVE-2019-10919

Siemens LOGO! 8 Missing Authentication

Severity Score

9.4

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions < V8.3). Attackers with access to port 10005/tcp could perform device reconfigurations and obtain project files from the devices. The system manual recommends to protect access to this port. The security vulnerability could be exploited by an unauthenticated attacker with network access to port 10005/tcp. No user interaction is required to exploit this security vulnerability. The vulnerability impacts confidentiality, integrity, and availability of the device. At the time of advisory publication no public exploitation of this security vulnerability was known.

Se ha identificado una vulnerabilidad en LOGO! 8 BM (incluidas las variantes SIPLUS)(todas las versiones anteriores a la versión V8.3). Los atacantes con acceso al puerto 10005/tcp podrían realizar reconfiguraciones de dispositivos y obtener archivos de proyectos de los dispositivos. El manual del sistema recomienda proteger el acceso a este puerto. La vulnerabilidad de la seguridad podría ser explotada por un atacante no identificado con acceso de red al puerto 10005/tcp. No se requiere la interacción del usuario para explotar esta vulnerabilidad de seguridad. La vulnerabilidad afecta la confidencialidad, la integridad y la disponibilidad del dispositivo. En el momento de la publicación de asesoramiento, no se conocía la explotación pública de esta vulnerabilidad de seguridad

Due to storing passwords in a recoverable format on Siemens LOGO! 8 PLCs, an attacker can gain access to configured passwords as cleartext.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

Low

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-04-08 CVE Reserved
2019-05-14 CVE Published
2024-08-04 CVE Updated
2024-08-04 First Exploit
2024-10-04 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-306: Missing Authentication for Critical Function

CAPEC

References (5)

URL	Tag	Source
http://www.securityfocus.com/bid/108382	Third Party Advisory

URL	Date	SRC
http://packetstormsecurity.com/files/153123/Siemens-LOGO-8-Missing-Authentication.html	2024-08-04
http://seclists.org/fulldisclosure/2019/May/45	2024-08-04
https://seclists.org/bugtraq/2019/May/73	2024-08-04

URL	Date	SRC

URL	Date	SRC
https://cert-portal.siemens.com/productcert/pdf/ssa-542701.pdf	2022-01-04

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Siemens Search vendor "Siemens"	Logo\!8 Bm Firmware Search vendor "Siemens" for product "Logo\!8 Bm Firmware"	< 8.3 Search vendor "Siemens" for product "Logo\!8 Bm Firmware" and version " < 8.3"	-	Affected	in	Siemens Search vendor "Siemens"	Logo\!8 Bm Search vendor "Siemens" for product "Logo\!8 Bm"	*	-	Safe