CVE-2021-34755

Cisco Firepower Threat Defense Software Command Injection Vulnerabilities

Severity Score

7.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track*

*SSVC

Descriptions

Multiple vulnerabilities in the CLI of Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, local attacker to execute arbitrary commands with root privileges. For more information about these vulnerabilities, see the Details section of this advisory.

Varias vulnerabilidades en la CLI del software Cisco Firepower Threat Defense (FTD) podrían permitir a un atacante local autenticado ejecutar comandos arbitrarios con privilegios de root. Para conseguir más información sobre estas vulnerabilidades, consulte la sección Detalles de este aviso

*Credits: N/A

CVSS Scores

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:Track*

Exploitation

None

Automatable

Tech. Impact

Total

* Organization's Worst-case Scenario

Timeline

2021-06-15 CVE Reserved
2021-10-27 CVE Published
2023-03-08 EPSS Updated
2024-11-07 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-20: Improper Input Validation
CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

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-ftd-cmdinject-FmzsLN8	2023-11-07

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 Management Center Virtual Appliance Search vendor "Cisco" for product "Firepower Management Center Virtual Appliance"				6.1.0 Search vendor "Cisco" for product "Firepower Management Center Virtual Appliance" and version "6.1.0"		-		Affected
Cisco Search vendor "Cisco"		Firepower Management Center Virtual Appliance Search vendor "Cisco" for product "Firepower Management Center Virtual Appliance"				6.2.0 Search vendor "Cisco" for product "Firepower Management Center Virtual Appliance" and version "6.2.0"		-		Affected
Cisco Search vendor "Cisco"		Firepower Management Center Virtual Appliance Search vendor "Cisco" for product "Firepower Management Center Virtual Appliance"				6.2.3 Search vendor "Cisco" for product "Firepower Management Center Virtual Appliance" and version "6.2.3"		-		Affected
Cisco Search vendor "Cisco"		Firepower Management Center Virtual Appliance Search vendor "Cisco" for product "Firepower Management Center Virtual Appliance"				6.3.0 Search vendor "Cisco" for product "Firepower Management Center Virtual Appliance" and version "6.3.0"		-		Affected
Cisco Search vendor "Cisco"		Firepower Management Center Virtual Appliance Search vendor "Cisco" for product "Firepower Management Center Virtual Appliance"				6.4.0 Search vendor "Cisco" for product "Firepower Management Center Virtual Appliance" and version "6.4.0"		-		Affected
Cisco Search vendor "Cisco"		Firepower Management Center Virtual Appliance Search vendor "Cisco" for product "Firepower Management Center Virtual Appliance"				6.4.0.11 Search vendor "Cisco" for product "Firepower Management Center Virtual Appliance" and version "6.4.0.11"		-		Affected
Cisco Search vendor "Cisco"		Firepower Management Center Virtual Appliance Search vendor "Cisco" for product "Firepower Management Center Virtual Appliance"				6.5.0 Search vendor "Cisco" for product "Firepower Management Center Virtual Appliance" and version "6.5.0"		-		Affected
Cisco Search vendor "Cisco"		Firepower Management Center Virtual Appliance Search vendor "Cisco" for product "Firepower Management Center Virtual Appliance"				6.6.0 Search vendor "Cisco" for product "Firepower Management Center Virtual Appliance" and version "6.6.0"		-		Affected
Cisco Search vendor "Cisco"		Firepower Management Center Virtual Appliance Search vendor "Cisco" for product "Firepower Management Center Virtual Appliance"				6.6.1 Search vendor "Cisco" for product "Firepower Management Center Virtual Appliance" and version "6.6.1"		-		Affected
Cisco Search vendor "Cisco"		Firepower Management Center Virtual Appliance Search vendor "Cisco" for product "Firepower Management Center Virtual Appliance"				6.7.0 Search vendor "Cisco" for product "Firepower Management Center Virtual Appliance" and version "6.7.0"		-		Affected
Cisco Search vendor "Cisco"		Firepower Management Center Virtual Appliance Search vendor "Cisco" for product "Firepower Management Center Virtual Appliance"				7.0.0 Search vendor "Cisco" for product "Firepower Management Center Virtual Appliance" and version "7.0.0"		-		Affected
Cisco Search vendor "Cisco"		Firepower Management Center Virtual Appliance Search vendor "Cisco" for product "Firepower Management Center Virtual Appliance"				7.1.0 Search vendor "Cisco" for product "Firepower Management Center Virtual Appliance" and version "7.1.0"		-		Affected
Cisco Search vendor "Cisco"		Firepower Threat Defense Search vendor "Cisco" for product "Firepower Threat Defense"				>= 6.4.0 < 6.4.0.13 Search vendor "Cisco" for product "Firepower Threat Defense" and version " >= 6.4.0 < 6.4.0.13"		-		Affected
Cisco Search vendor "Cisco"		Firepower Threat Defense Search vendor "Cisco" for product "Firepower Threat Defense"				>= 6.6.0 < 6.6.5 Search vendor "Cisco" for product "Firepower Threat Defense" and version " >= 6.6.0 < 6.6.5"		-		Affected
Cisco Search vendor "Cisco"		Firepower Threat Defense Search vendor "Cisco" for product "Firepower Threat Defense"				>= 6.7.0 < 6.7.0.3 Search vendor "Cisco" for product "Firepower Threat Defense" and version " >= 6.7.0 < 6.7.0.3"		-		Affected
Cisco Search vendor "Cisco"		Firepower Threat Defense Search vendor "Cisco" for product "Firepower Threat Defense"				>= 7.0.0 < 7.0.1 Search vendor "Cisco" for product "Firepower Threat Defense" and version " >= 7.0.0 < 7.0.1"		-		Affected
Cisco Search vendor "Cisco"		Sourcefire Defense Center Search vendor "Cisco" for product "Sourcefire Defense Center"				6.1.0 Search vendor "Cisco" for product "Sourcefire Defense Center" and version "6.1.0"		-		Affected
Cisco Search vendor "Cisco"		Sourcefire Defense Center Search vendor "Cisco" for product "Sourcefire Defense Center"				6.2.0 Search vendor "Cisco" for product "Sourcefire Defense Center" and version "6.2.0"		-		Affected
Cisco Search vendor "Cisco"		Sourcefire Defense Center Search vendor "Cisco" for product "Sourcefire Defense Center"				6.2.3 Search vendor "Cisco" for product "Sourcefire Defense Center" and version "6.2.3"		-		Affected
Cisco Search vendor "Cisco"		Sourcefire Defense Center Search vendor "Cisco" for product "Sourcefire Defense Center"				6.3.0 Search vendor "Cisco" for product "Sourcefire Defense Center" and version "6.3.0"		-		Affected
Cisco Search vendor "Cisco"		Sourcefire Defense Center Search vendor "Cisco" for product "Sourcefire Defense Center"				6.4.0 Search vendor "Cisco" for product "Sourcefire Defense Center" and version "6.4.0"		-		Affected
Cisco Search vendor "Cisco"		Sourcefire Defense Center Search vendor "Cisco" for product "Sourcefire Defense Center"				6.4.0.11 Search vendor "Cisco" for product "Sourcefire Defense Center" and version "6.4.0.11"		-		Affected
Cisco Search vendor "Cisco"		Sourcefire Defense Center Search vendor "Cisco" for product "Sourcefire Defense Center"				6.5.0 Search vendor "Cisco" for product "Sourcefire Defense Center" and version "6.5.0"		-		Affected
Cisco Search vendor "Cisco"		Sourcefire Defense Center Search vendor "Cisco" for product "Sourcefire Defense Center"				6.6.0 Search vendor "Cisco" for product "Sourcefire Defense Center" and version "6.6.0"		-		Affected
Cisco Search vendor "Cisco"		Sourcefire Defense Center Search vendor "Cisco" for product "Sourcefire Defense Center"				6.6.1 Search vendor "Cisco" for product "Sourcefire Defense Center" and version "6.6.1"		-		Affected
Cisco Search vendor "Cisco"		Sourcefire Defense Center Search vendor "Cisco" for product "Sourcefire Defense Center"				6.7.0 Search vendor "Cisco" for product "Sourcefire Defense Center" and version "6.7.0"		-		Affected
Cisco Search vendor "Cisco"		Sourcefire Defense Center Search vendor "Cisco" for product "Sourcefire Defense Center"				7.0.0 Search vendor "Cisco" for product "Sourcefire Defense Center" and version "7.0.0"		-		Affected
Cisco Search vendor "Cisco"		Sourcefire Defense Center Search vendor "Cisco" for product "Sourcefire Defense Center"				7.1.0 Search vendor "Cisco" for product "Sourcefire Defense Center" and version "7.1.0"		-		Affected