CVE-2019-13921

Severity Score

7.5

*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 SIMATIC WinAC RTX (F) 2010 (All versions < SP3 Update 1). Affected versions of the software contain a vulnerability that could allow an unauthenticated attacker to trigger a denial-of-service condition. The vulnerability can be triggered if a large HTTP request is sent to the executing service. The security vulnerability could be exploited by an attacker with network access to the affected systems. Successful exploitation requires no system privileges and no user interaction. An attacker could use the vulnerability to compromise availability of the service provided by the software.

Se ha identificado una vulnerabilidad en SIMATIC WinAC RTX (F) 2010 (Todas las versiones anteriores a SP3 Actualización 1). Las versiones afectadas del software contienen una vulnerabilidad que podría permitir a un atacante no autenticado desencadenar una condición de denegación de servicio. La vulnerabilidad puede ser desencadenada si se envía una petición HTTP grande hacia el servicio en ejecución. La vulnerabilidad de seguridad podría ser explotada por parte de un atacante con acceso de red en los sistemas afectados. La explotación con éxito no requiere privilegios de sistema ni interacción del usuario. Un atacante podría usar la vulnerabilidad para comprometer la disponibilidad del servicio proporcionado por el software.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-07-18 CVE Reserved
2019-10-10 CVE Published
2023-03-08 EPSS Updated
2024-08-05 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-400: Uncontrolled Resource Consumption
CWE-410: Insufficient Resource Pool

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://cert-portal.siemens.com/productcert/pdf/ssa-878278.pdf	2020-10-16

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Siemens Search vendor "Siemens"		Simatic Winac Rtx \(f\) 2010 Search vendor "Siemens" for product "Simatic Winac Rtx \(f\) 2010"				*		-		Affected
Siemens Search vendor "Siemens"		Simatic Winac Rtx \(f\) 2010 Search vendor "Siemens" for product "Simatic Winac Rtx \(f\) 2010"				-		-		Affected
Siemens Search vendor "Siemens"		Simatic Winac Rtx \(f\) 2010 Search vendor "Siemens" for product "Simatic Winac Rtx \(f\) 2010"				-		update_1		Affected
Siemens Search vendor "Siemens"		Simatic Winac Rtx \(f\) 2010 Search vendor "Siemens" for product "Simatic Winac Rtx \(f\) 2010"				-		update_2		Affected
Siemens Search vendor "Siemens"		Simatic Winac Rtx \(f\) 2010 Search vendor "Siemens" for product "Simatic Winac Rtx \(f\) 2010"				-		update_3		Affected
Siemens Search vendor "Siemens"		Simatic Winac Rtx \(f\) 2010 Search vendor "Siemens" for product "Simatic Winac Rtx \(f\) 2010"				sp1 Search vendor "Siemens" for product "Simatic Winac Rtx \(f\) 2010" and version "sp1"		-		Affected
Siemens Search vendor "Siemens"		Simatic Winac Rtx \(f\) 2010 Search vendor "Siemens" for product "Simatic Winac Rtx \(f\) 2010"				sp2 Search vendor "Siemens" for product "Simatic Winac Rtx \(f\) 2010" and version "sp2"		-		Affected
Siemens Search vendor "Siemens"		Simatic Winac Rtx \(f\) 2010 Search vendor "Siemens" for product "Simatic Winac Rtx \(f\) 2010"				sp2 Search vendor "Siemens" for product "Simatic Winac Rtx \(f\) 2010" and version "sp2"		update_1		Affected
Siemens Search vendor "Siemens"		Simatic Winac Rtx \(f\) 2010 Search vendor "Siemens" for product "Simatic Winac Rtx \(f\) 2010"				sp2 Search vendor "Siemens" for product "Simatic Winac Rtx \(f\) 2010" and version "sp2"		update_2		Affected
Siemens Search vendor "Siemens"		Simatic Winac Rtx \(f\) 2010 Search vendor "Siemens" for product "Simatic Winac Rtx \(f\) 2010"				sp2 Search vendor "Siemens" for product "Simatic Winac Rtx \(f\) 2010" and version "sp2"		update_3		Affected
Siemens Search vendor "Siemens"		Simatic Winac Rtx \(f\) 2010 Search vendor "Siemens" for product "Simatic Winac Rtx \(f\) 2010"				sp2 Search vendor "Siemens" for product "Simatic Winac Rtx \(f\) 2010" and version "sp2"		update_4		Affected