// For flags

CVE-2020-3571

Cisco Firepower 4110 ICMP Flood Denial of Service Vulnerability

Severity Score

8.6
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A vulnerability in the ICMP ingress packet processing of Cisco Firepower Threat Defense (FTD) Software for Cisco Firepower 4110 appliances could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to incomplete input validation upon receiving ICMP packets. An attacker could exploit this vulnerability by sending a high number of crafted ICMP or ICMPv6 packets to an affected device. A successful exploit could allow the attacker to cause a memory exhaustion condition that may result in an unexpected reload. No manual intervention is needed to recover the device after the reload.

Una vulnerabilidad en el procesamiento de paquetes de entrada ICMP de Cisco Firepower Threat Defense (FTD) Software para dispositivos Cisco Firepower 4110, podría permitir a un atacante remoto no autenticado causar una condición de denegación de servicio (DoS) en un dispositivo afectado. La vulnerabilidad es debido a una comprobación de entrada incompleta al recibir paquetes ICMP. Un atacante podría explotar esta vulnerabilidad mediante el envío de una gran cantidad de paquetes ICMP o ICMPv6 diseñados a un dispositivo afectado. Una explotación con éxito podría permitir a un atacante causar una condición de agotamiento de la memoria que puede resultar en una recarga inesperada. No se necesita ninguna intervención manual para recuperar el dispositivo después de la recarga

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2019-12-12 CVE Reserved
  • 2020-10-21 CVE Published
  • 2023-07-07 EPSS Updated
  • 2024-09-17 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-20: Improper Input Validation
  • CWE-400: Uncontrolled Resource Consumption
CAPEC
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 Threat Defense
Search vendor "Cisco" for product "Firepower Threat Defense"
>= 6.3.0 < 6.3.0.6
Search vendor "Cisco" for product "Firepower Threat Defense" and version " >= 6.3.0 < 6.3.0.6"
-
Affected
in Cisco
Search vendor "Cisco"
Firepower 4110
Search vendor "Cisco" for product "Firepower 4110"
--
Safe
Cisco
Search vendor "Cisco"
Firepower Threat Defense
Search vendor "Cisco" for product "Firepower Threat Defense"
>= 6.3.0 < 6.3.0.6
Search vendor "Cisco" for product "Firepower Threat Defense" and version " >= 6.3.0 < 6.3.0.6"
-
Affected
in Cisco
Search vendor "Cisco"
Firepower 4112
Search vendor "Cisco" for product "Firepower 4112"
--
Safe
Cisco
Search vendor "Cisco"
Firepower Threat Defense
Search vendor "Cisco" for product "Firepower Threat Defense"
>= 6.3.0 < 6.3.0.6
Search vendor "Cisco" for product "Firepower Threat Defense" and version " >= 6.3.0 < 6.3.0.6"
-
Affected
in Cisco
Search vendor "Cisco"
Firepower 4115
Search vendor "Cisco" for product "Firepower 4115"
--
Safe
Cisco
Search vendor "Cisco"
Firepower Threat Defense
Search vendor "Cisco" for product "Firepower Threat Defense"
>= 6.3.0 < 6.3.0.6
Search vendor "Cisco" for product "Firepower Threat Defense" and version " >= 6.3.0 < 6.3.0.6"
-
Affected
in Cisco
Search vendor "Cisco"
Firepower 4120
Search vendor "Cisco" for product "Firepower 4120"
--
Safe
Cisco
Search vendor "Cisco"
Firepower Threat Defense
Search vendor "Cisco" for product "Firepower Threat Defense"
>= 6.3.0 < 6.3.0.6
Search vendor "Cisco" for product "Firepower Threat Defense" and version " >= 6.3.0 < 6.3.0.6"
-
Affected
in Cisco
Search vendor "Cisco"
Firepower 4125
Search vendor "Cisco" for product "Firepower 4125"
--
Safe
Cisco
Search vendor "Cisco"
Firepower Threat Defense
Search vendor "Cisco" for product "Firepower Threat Defense"
>= 6.3.0 < 6.3.0.6
Search vendor "Cisco" for product "Firepower Threat Defense" and version " >= 6.3.0 < 6.3.0.6"
-
Affected
in Cisco
Search vendor "Cisco"
Firepower 4140
Search vendor "Cisco" for product "Firepower 4140"
--
Safe
Cisco
Search vendor "Cisco"
Firepower Threat Defense
Search vendor "Cisco" for product "Firepower Threat Defense"
>= 6.3.0 < 6.3.0.6
Search vendor "Cisco" for product "Firepower Threat Defense" and version " >= 6.3.0 < 6.3.0.6"
-
Affected
in Cisco
Search vendor "Cisco"
Firepower 4145
Search vendor "Cisco" for product "Firepower 4145"
--
Safe
Cisco
Search vendor "Cisco"
Firepower Threat Defense
Search vendor "Cisco" for product "Firepower Threat Defense"
>= 6.3.0 < 6.3.0.6
Search vendor "Cisco" for product "Firepower Threat Defense" and version " >= 6.3.0 < 6.3.0.6"
-
Affected
in Cisco
Search vendor "Cisco"
Firepower 4150
Search vendor "Cisco" for product "Firepower 4150"
--
Safe
Cisco
Search vendor "Cisco"
Firepower Threat Defense
Search vendor "Cisco" for product "Firepower Threat Defense"
>= 6.4.0 < 6.4.0.10
Search vendor "Cisco" for product "Firepower Threat Defense" and version " >= 6.4.0 < 6.4.0.10"
-
Affected
in Cisco
Search vendor "Cisco"
Firepower 4110
Search vendor "Cisco" for product "Firepower 4110"
--
Safe
Cisco
Search vendor "Cisco"
Firepower Threat Defense
Search vendor "Cisco" for product "Firepower Threat Defense"
>= 6.4.0 < 6.4.0.10
Search vendor "Cisco" for product "Firepower Threat Defense" and version " >= 6.4.0 < 6.4.0.10"
-
Affected
in Cisco
Search vendor "Cisco"
Firepower 4112
Search vendor "Cisco" for product "Firepower 4112"
--
Safe
Cisco
Search vendor "Cisco"
Firepower Threat Defense
Search vendor "Cisco" for product "Firepower Threat Defense"
>= 6.4.0 < 6.4.0.10
Search vendor "Cisco" for product "Firepower Threat Defense" and version " >= 6.4.0 < 6.4.0.10"
-
Affected
in Cisco
Search vendor "Cisco"
Firepower 4115
Search vendor "Cisco" for product "Firepower 4115"
--
Safe
Cisco
Search vendor "Cisco"
Firepower Threat Defense
Search vendor "Cisco" for product "Firepower Threat Defense"
>= 6.4.0 < 6.4.0.10
Search vendor "Cisco" for product "Firepower Threat Defense" and version " >= 6.4.0 < 6.4.0.10"
-
Affected
in Cisco
Search vendor "Cisco"
Firepower 4120
Search vendor "Cisco" for product "Firepower 4120"
--
Safe
Cisco
Search vendor "Cisco"
Firepower Threat Defense
Search vendor "Cisco" for product "Firepower Threat Defense"
>= 6.4.0 < 6.4.0.10
Search vendor "Cisco" for product "Firepower Threat Defense" and version " >= 6.4.0 < 6.4.0.10"
-
Affected
in Cisco
Search vendor "Cisco"
Firepower 4125
Search vendor "Cisco" for product "Firepower 4125"
--
Safe
Cisco
Search vendor "Cisco"
Firepower Threat Defense
Search vendor "Cisco" for product "Firepower Threat Defense"
>= 6.4.0 < 6.4.0.10
Search vendor "Cisco" for product "Firepower Threat Defense" and version " >= 6.4.0 < 6.4.0.10"
-
Affected
in Cisco
Search vendor "Cisco"
Firepower 4140
Search vendor "Cisco" for product "Firepower 4140"
--
Safe
Cisco
Search vendor "Cisco"
Firepower Threat Defense
Search vendor "Cisco" for product "Firepower Threat Defense"
>= 6.4.0 < 6.4.0.10
Search vendor "Cisco" for product "Firepower Threat Defense" and version " >= 6.4.0 < 6.4.0.10"
-
Affected
in Cisco
Search vendor "Cisco"
Firepower 4145
Search vendor "Cisco" for product "Firepower 4145"
--
Safe
Cisco
Search vendor "Cisco"
Firepower Threat Defense
Search vendor "Cisco" for product "Firepower Threat Defense"
>= 6.4.0 < 6.4.0.10
Search vendor "Cisco" for product "Firepower Threat Defense" and version " >= 6.4.0 < 6.4.0.10"
-
Affected
in Cisco
Search vendor "Cisco"
Firepower 4150
Search vendor "Cisco" for product "Firepower 4150"
--
Safe
Cisco
Search vendor "Cisco"
Firepower Threat Defense
Search vendor "Cisco" for product "Firepower Threat Defense"
>= 6.5.0 < 6.5.0.5
Search vendor "Cisco" for product "Firepower Threat Defense" and version " >= 6.5.0 < 6.5.0.5"
-
Affected
in Cisco
Search vendor "Cisco"
Firepower 4110
Search vendor "Cisco" for product "Firepower 4110"
--
Safe
Cisco
Search vendor "Cisco"
Firepower Threat Defense
Search vendor "Cisco" for product "Firepower Threat Defense"
>= 6.5.0 < 6.5.0.5
Search vendor "Cisco" for product "Firepower Threat Defense" and version " >= 6.5.0 < 6.5.0.5"
-
Affected
in Cisco
Search vendor "Cisco"
Firepower 4112
Search vendor "Cisco" for product "Firepower 4112"
--
Safe
Cisco
Search vendor "Cisco"
Firepower Threat Defense
Search vendor "Cisco" for product "Firepower Threat Defense"
>= 6.5.0 < 6.5.0.5
Search vendor "Cisco" for product "Firepower Threat Defense" and version " >= 6.5.0 < 6.5.0.5"
-
Affected
in Cisco
Search vendor "Cisco"
Firepower 4115
Search vendor "Cisco" for product "Firepower 4115"
--
Safe
Cisco
Search vendor "Cisco"
Firepower Threat Defense
Search vendor "Cisco" for product "Firepower Threat Defense"
>= 6.5.0 < 6.5.0.5
Search vendor "Cisco" for product "Firepower Threat Defense" and version " >= 6.5.0 < 6.5.0.5"
-
Affected
in Cisco
Search vendor "Cisco"
Firepower 4120
Search vendor "Cisco" for product "Firepower 4120"
--
Safe
Cisco
Search vendor "Cisco"
Firepower Threat Defense
Search vendor "Cisco" for product "Firepower Threat Defense"
>= 6.5.0 < 6.5.0.5
Search vendor "Cisco" for product "Firepower Threat Defense" and version " >= 6.5.0 < 6.5.0.5"
-
Affected
in Cisco
Search vendor "Cisco"
Firepower 4125
Search vendor "Cisco" for product "Firepower 4125"
--
Safe
Cisco
Search vendor "Cisco"
Firepower Threat Defense
Search vendor "Cisco" for product "Firepower Threat Defense"
>= 6.5.0 < 6.5.0.5
Search vendor "Cisco" for product "Firepower Threat Defense" and version " >= 6.5.0 < 6.5.0.5"
-
Affected
in Cisco
Search vendor "Cisco"
Firepower 4140
Search vendor "Cisco" for product "Firepower 4140"
--
Safe
Cisco
Search vendor "Cisco"
Firepower Threat Defense
Search vendor "Cisco" for product "Firepower Threat Defense"
>= 6.5.0 < 6.5.0.5
Search vendor "Cisco" for product "Firepower Threat Defense" and version " >= 6.5.0 < 6.5.0.5"
-
Affected
in Cisco
Search vendor "Cisco"
Firepower 4145
Search vendor "Cisco" for product "Firepower 4145"
--
Safe
Cisco
Search vendor "Cisco"
Firepower Threat Defense
Search vendor "Cisco" for product "Firepower Threat Defense"
>= 6.5.0 < 6.5.0.5
Search vendor "Cisco" for product "Firepower Threat Defense" and version " >= 6.5.0 < 6.5.0.5"
-
Affected
in Cisco
Search vendor "Cisco"
Firepower 4150
Search vendor "Cisco" for product "Firepower 4150"
--
Safe