CVE-2021-34762CWE-22CWE-26path-traversal

CVE-2021-34762

High · published October 27, 2021

CVSS v3.1
8.1
EPSS
2%
Percentile
80.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.01987 · 80.5th percentile
Weaknesses
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal'); CWE-26 · Path Traversal: '/dir/../filename'
Published
2021-10-27T23:15Z
Affected products (22)
ProductVersionsFixed in
cisco/firepower_management_center_virtual_applianceall versions—
cisco/firepower_management_center_virtual_applianceall versions—
cisco/firepower_management_center_virtual_applianceall versions—
cisco/firepower_management_center_virtual_applianceall versions—
cisco/firepower_management_center_virtual_applianceall versions—
cisco/firepower_management_center_virtual_applianceall versions—
cisco/firepower_management_center_virtual_applianceall versions—
cisco/firepower_management_center_virtual_applianceall versions—
cisco/firepower_management_center_virtual_applianceall versions—
cisco/firepower_management_center_virtual_applianceall versions—
cisco/secure_firewall_threat_defense< 6.4.0.136.4.0.13
cisco/secure_firewall_threat_defense≥ 6.5.0, < 6.6.56.6.5
cisco/secure_firewall_threat_defense≥ 6.7.0, < 6.7.0.36.7.0.3
cisco/secure_firewall_threat_defense≥ 7.0.0, < 7.0.17.0.1
cisco/sourcefire_defense_centerall versions—
cisco/sourcefire_defense_centerall versions—
cisco/sourcefire_defense_centerall versions—
cisco/sourcefire_defense_centerall versions—
cisco/sourcefire_defense_centerall versions—
cisco/sourcefire_defense_centerall versions—
cisco/sourcefire_defense_centerall versions—
cisco/sourcefire_defense_centerall versions—
References (2)
EPSS history
Timeline
  • 27 OCT 18:55Z
    Cisco Firepower Management Center Software Authenticated Directory Traversal Vulnerability
    cvelistv5