high
7.8
CWE
78 20
Advisory Published
Updated

CVE-2021-34755: Cisco Firepower Threat Defense Software Command Injection Vulnerabilities

First published: Wed Oct 27 2021(Updated: )

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.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco Firepower Management Center Virtual Appliance=6.1.0
Cisco Firepower Management Center Virtual Appliance=6.2.0
Cisco Firepower Management Center Virtual Appliance=6.2.3
Cisco Firepower Management Center Virtual Appliance=6.3.0
Cisco Firepower Management Center Virtual Appliance=6.4.0
Cisco Firepower Management Center Virtual Appliance=6.4.0.11
Cisco Firepower Management Center Virtual Appliance=6.5.0
Cisco Firepower Management Center Virtual Appliance=6.6.0
Cisco Firepower Management Center Virtual Appliance=6.6.1
Cisco Firepower Management Center Virtual Appliance=6.7.0
Cisco Firepower Management Center Virtual Appliance=7.0.0
Cisco Firepower Management Center Virtual Appliance=7.1.0
Cisco Firepower Threat Defense>=6.4.0<6.4.0.13
Cisco Firepower Threat Defense>=6.6.0<6.6.5
Cisco Firepower Threat Defense>=6.7.0<6.7.0.3
Cisco Firepower Threat Defense>=7.0.0<7.0.1
Cisco Sourcefire Defense Center=6.1.0
Cisco Sourcefire Defense Center=6.2.0
Cisco Sourcefire Defense Center=6.2.3
Cisco Sourcefire Defense Center=6.3.0
Cisco Sourcefire Defense Center=6.4.0
Cisco Sourcefire Defense Center=6.4.0.11
Cisco Sourcefire Defense Center=6.5.0
Cisco Sourcefire Defense Center=6.6.0
Cisco Sourcefire Defense Center=6.6.1
Cisco Sourcefire Defense Center=6.7.0
Cisco Sourcefire Defense Center=7.0.0
Cisco Sourcefire Defense Center=7.1.0

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Reference Links

Frequently Asked Questions

  • What is the vulnerability ID?

    The vulnerability ID is CVE-2021-34755.

  • What is the severity of CVE-2021-34755?

    The severity of CVE-2021-34755 is rated as high with a CVSS score of 7.8.

  • What software is affected by CVE-2021-34755?

    Multiple versions of Cisco Firepower Threat Defense (FTD) Software and Cisco Sourcefire Defense Center are affected by CVE-2021-34755.

  • How can an attacker exploit CVE-2021-34755?

    An authenticated, local attacker can exploit CVE-2021-34755 by executing arbitrary commands with root privileges.

  • Where can I find more information about CVE-2021-34755?

    You can find more information about CVE-2021-34755 in the Cisco Security Advisory at the following link: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-cmdinject-FmzsLN8

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