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VULNERABILITIES

CVE-2021-34762 Details

Description

A vulnerability in the web-based management interface of Cisco Firepower Management Center (FMC) Software could allow an authenticated, remote attacker to perform a directory traversal attack on an affected device. The attacker would require valid device credentials. The vulnerability is due to insufficient input validation of the HTTPS URL by the web-based management interface. An attacker could exploit this vulnerability by sending a crafted HTTPS request that contains directory traversal character sequences to an affected device. A successful exploit could allow the attacker to read or write arbitrary files on the device.

Metrics

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-dir-traversal-95UyW5tk CVEVendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-dir-traversal-95UyW5tk [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')[email protected]
CWE-26Path Traversal: '/dir/../filename'[email protected]

Affected Products

ProductVersions
cisco firepower management center virtual appliance
6.2.3
6.4.0
6.5.0
6.6.1
6.6.2

CPE

  • cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:6.2.3:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:6.4.0:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:6.5.0:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:6.6.1:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:6.6.2:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:6.6.3:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:6.6.4:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:6.7.0:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:7.0.0:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:7.1.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
cisco secure firewall threat defense
< 6.4.0.13
>= 6.5.0, < 6.6.5
>= 6.7.0, < 6.7.0.3
>= 7.0.0, < 7.0.1

CPE

  • cpe:2.3:a:cisco:secure_firewall_threat_defense:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
cisco sourcefire defense center
6.2.3
6.4.0
6.5.0
6.6.1
6.6.2

CPE

  • cpe:2.3:a:cisco:sourcefire_defense_center:6.2.3:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:sourcefire_defense_center:6.4.0:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:sourcefire_defense_center:6.5.0:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:sourcefire_defense_center:6.6.1:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:sourcefire_defense_center:6.6.2:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:sourcefire_defense_center:6.6.3:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:sourcefire_defense_center:6.6.4:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:sourcefire_defense_center:7.0.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

12 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-34762
NVD Published Date:
Oct 27, 2021
NVD Last Modified:
Aug 11, 2026
Source:
[email protected]
CVE-2021-34762 Details - Not Deferred