CVE-2019-12700

Cisco FTD, FMC, and FXOS Software Pluggable Authentication Module Denial of Service Vulnerability

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A vulnerability in the configuration of the Pluggable Authentication Module (PAM) used in Cisco Firepower Threat Defense (FTD) Software, Cisco Firepower Management Center (FMC) Software, and Cisco FXOS Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to improper resource management in the context of user session management. An attacker could exploit this vulnerability by connecting to an affected system and performing many simultaneous successful Secure Shell (SSH) logins. A successful exploit could allow the attacker to exhaust system resources and cause the device to reload, resulting in a DoS condition. To exploit this vulnerability, the attacker needs valid user credentials on the system.

Una vulnerabilidad en la configuración del Pluggable Authentication Module (PAM) utilizado en el Software Cisco Firepower Threat Defense (FTD), el Software Cisco Firepower Management Center (FMC) y el Software Cisco FXOS, podría permitir a un atacante remoto autenticado causar una condición de denegación de servicio (DoS). La vulnerabilidad es debido a la administración de recursos inapropiada en el contexto de la administración de sesión del usuario. Un atacante podría explotar esta vulnerabilidad mediante la conexión a un sistema afectado y realizando muchos inicios de sesión con éxito de Secure Shell (SSH) simultáneos. Una explotación con éxito podría permitir al atacante agotar los recursos del sistema y causar que el dispositivo se recargue, resultando en una condición DoS. Para explotar esta vulnerabilidad, el atacante necesita credenciales de usuario válidas en el sistema.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-06-04 CVE Reserved
2019-10-02 CVE Published
2023-05-08 EPSS Updated
2024-09-16 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-400: Uncontrolled Resource Consumption

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20191002-ftd-fpmc-dos	2023-04-20

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Cisco Search vendor "Cisco"	Firepower 9300 Firmware Search vendor "Cisco" for product "Firepower 9300 Firmware"	r114 Search vendor "Cisco" for product "Firepower 9300 Firmware" and version "r114"	-	Affected	in	Cisco Search vendor "Cisco"	Firepower 9300 Search vendor "Cisco" for product "Firepower 9300"	-	-	Safe
Cisco Search vendor "Cisco"	Firepower 9300 Firmware Search vendor "Cisco" for product "Firepower 9300 Firmware"	r241 Search vendor "Cisco" for product "Firepower 9300 Firmware" and version "r241"	-	Affected	in	Cisco Search vendor "Cisco"	Firepower 9300 Search vendor "Cisco" for product "Firepower 9300"	-	-	Safe
Cisco Search vendor "Cisco"	Firepower Management Center Search vendor "Cisco" for product "Firepower Management Center"	<= 6.1.0 Search vendor "Cisco" for product "Firepower Management Center" and version " <= 6.1.0"	-	Affected	in	Cisco Search vendor "Cisco"	Firepower 1000 Search vendor "Cisco" for product "Firepower 1000"	-	-	Safe
Cisco Search vendor "Cisco"	Firepower Management Center Search vendor "Cisco" for product "Firepower Management Center"	<= 6.1.0 Search vendor "Cisco" for product "Firepower Management Center" and version " <= 6.1.0"	-	Affected	in	Cisco Search vendor "Cisco"	Firepower 2100 Search vendor "Cisco" for product "Firepower 2100"	-	-	Safe
Cisco Search vendor "Cisco"	Firepower Management Center Search vendor "Cisco" for product "Firepower Management Center"	>= 6.2.0 < 6.2.3.14 Search vendor "Cisco" for product "Firepower Management Center" and version " >= 6.2.0 < 6.2.3.14"	-	Affected	in	Cisco Search vendor "Cisco"	Firepower 1000 Search vendor "Cisco" for product "Firepower 1000"	-	-	Safe
Cisco Search vendor "Cisco"	Firepower Management Center Search vendor "Cisco" for product "Firepower Management Center"	>= 6.2.0 < 6.2.3.14 Search vendor "Cisco" for product "Firepower Management Center" and version " >= 6.2.0 < 6.2.3.14"	-	Affected	in	Cisco Search vendor "Cisco"	Firepower 2100 Search vendor "Cisco" for product "Firepower 2100"	-	-	Safe
Cisco Search vendor "Cisco"	Firepower Threat Defense Search vendor "Cisco" for product "Firepower Threat Defense"	<= 6.1.0 Search vendor "Cisco" for product "Firepower Threat Defense" and version " <= 6.1.0"	-	Affected	in	Cisco Search vendor "Cisco"	Firepower 1000 Search vendor "Cisco" for product "Firepower 1000"	-	-	Safe
Cisco Search vendor "Cisco"	Firepower Threat Defense Search vendor "Cisco" for product "Firepower Threat Defense"	<= 6.1.0 Search vendor "Cisco" for product "Firepower Threat Defense" and version " <= 6.1.0"	-	Affected	in	Cisco Search vendor "Cisco"	Firepower 2100 Search vendor "Cisco" for product "Firepower 2100"	-	-	Safe
Cisco Search vendor "Cisco"	Firepower Threat Defense Search vendor "Cisco" for product "Firepower Threat Defense"	>= 6.2.0 < 6.2.3.14 Search vendor "Cisco" for product "Firepower Threat Defense" and version " >= 6.2.0 < 6.2.3.14"	-	Affected	in	Cisco Search vendor "Cisco"	Firepower 1000 Search vendor "Cisco" for product "Firepower 1000"	-	-	Safe
Cisco Search vendor "Cisco"	Firepower Threat Defense Search vendor "Cisco" for product "Firepower Threat Defense"	>= 6.2.0 < 6.2.3.14 Search vendor "Cisco" for product "Firepower Threat Defense" and version " >= 6.2.0 < 6.2.3.14"	-	Affected	in	Cisco Search vendor "Cisco"	Firepower 2100 Search vendor "Cisco" for product "Firepower 2100"	-	-	Safe
Cisco Search vendor "Cisco"		Firepower Extensible Operating System Search vendor "Cisco" for product "Firepower Extensible Operating System"				<= 2.2 Search vendor "Cisco" for product "Firepower Extensible Operating System" and version " <= 2.2"		-		Affected
Cisco Search vendor "Cisco"		Firepower Extensible Operating System Search vendor "Cisco" for product "Firepower Extensible Operating System"				>= 2.3 < 2.3.1.155 Search vendor "Cisco" for product "Firepower Extensible Operating System" and version " >= 2.3 < 2.3.1.155"		-		Affected
Cisco Search vendor "Cisco"		Firepower Extensible Operating System Search vendor "Cisco" for product "Firepower Extensible Operating System"				>= 2.4 < 2.6.1.131 Search vendor "Cisco" for product "Firepower Extensible Operating System" and version " >= 2.4 < 2.6.1.131"		-		Affected
Cisco Search vendor "Cisco"		Firepower Management Center Search vendor "Cisco" for product "Firepower Management Center"				<= 6.1.0 Search vendor "Cisco" for product "Firepower Management Center" and version " <= 6.1.0"		-		Affected
Cisco Search vendor "Cisco"		Firepower Management Center Search vendor "Cisco" for product "Firepower Management Center"				>= 6.2.0 < 6.2.3.14 Search vendor "Cisco" for product "Firepower Management Center" and version " >= 6.2.0 < 6.2.3.14"		-		Affected
Cisco Search vendor "Cisco"		Firepower Management Center Search vendor "Cisco" for product "Firepower Management Center"				>= 6.2.3 < 6.2.3.7 Search vendor "Cisco" for product "Firepower Management Center" and version " >= 6.2.3 < 6.2.3.7"		-		Affected
Cisco Search vendor "Cisco"		Firepower Threat Defense Search vendor "Cisco" for product "Firepower Threat Defense"				<= 6.1.0 Search vendor "Cisco" for product "Firepower Threat Defense" and version " <= 6.1.0"		-		Affected
Cisco Search vendor "Cisco"		Firepower Threat Defense Search vendor "Cisco" for product "Firepower Threat Defense"				>= 6.2.0 < 6.2.2.5 Search vendor "Cisco" for product "Firepower Threat Defense" and version " >= 6.2.0 < 6.2.2.5"		-		Affected
Cisco Search vendor "Cisco"		Firepower Threat Defense Search vendor "Cisco" for product "Firepower Threat Defense"				>= 6.2.3 < 6.2.3.7 Search vendor "Cisco" for product "Firepower Threat Defense" and version " >= 6.2.3 < 6.2.3.7"		-		Affected