CVE-2021-34762

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.
Path Traversal
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.1 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
ciscoCNA
8.1 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CVEADP
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CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 38%
VendorProductVersion
ciscofirepower_management_center_virtual_appliance
6.2.3
ciscofirepower_management_center_virtual_appliance
6.4.0
ciscofirepower_management_center_virtual_appliance
6.5.0
ciscofirepower_management_center_virtual_appliance
6.6.1
ciscofirepower_management_center_virtual_appliance
6.6.2
ciscofirepower_management_center_virtual_appliance
6.6.3
ciscofirepower_management_center_virtual_appliance
6.6.4
ciscofirepower_management_center_virtual_appliance
6.7.0
ciscofirepower_management_center_virtual_appliance
7.0.0
ciscofirepower_management_center_virtual_appliance
7.1.0
ciscofirepower_threat_defense
𝑥
< 6.4.0.13
ciscofirepower_threat_defense
6.5.0 ≤
𝑥
< 6.6.5
ciscofirepower_threat_defense
6.7.0 ≤
𝑥
< 6.7.0.3
ciscofirepower_threat_defense
7.0.0 ≤
𝑥
< 7.0.1
ciscosourcefire_defense_center
6.2.3
ciscosourcefire_defense_center
6.4.0
ciscosourcefire_defense_center
6.5.0
ciscosourcefire_defense_center
6.6.1
ciscosourcefire_defense_center
6.6.2
ciscosourcefire_defense_center
6.6.3
ciscosourcefire_defense_center
6.6.4
ciscosourcefire_defense_center
7.0.0
𝑥
= Vulnerable software versions