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cve[email protected]CVE-2022-20854
HistoryNov 15, 2022 - 9:15 p.m.

CVE-2022-20854

2022-11-1521:15:27
CWE-755
CWE-400
web.nvd.nist.gov
39
4
cve-2022-20854
cisco
firepower
management center
fmc
firepower threat defense
ftd
ssh
denial of service
dos
nvd
vulnerability
remote attacker
resource exhaustion

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.001 Low

EPSS

Percentile

50.5%

A vulnerability in the processing of SSH connections of Cisco Firepower Management Center (FMC) and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.

This vulnerability is due to improper error handling when an SSH session fails to be established. An attacker could exploit this vulnerability by sending a high rate of crafted SSH connections to the instance. A successful exploit could allow the attacker to cause resource exhaustion, resulting in a reboot on the affected device.

Affected configurations

NVD
Node
ciscofirepower_management_centerRange6.1.06.1.0.7
OR
ciscofirepower_management_centerRange6.2.06.2.0.6
OR
ciscofirepower_management_centerRange6.2.26.2.2.5
OR
ciscofirepower_management_centerRange6.2.36.2.3.18
OR
ciscofirepower_management_centerRange6.3.06.3.0.5
OR
ciscofirepower_management_centerRange6.4.06.4.0.15
OR
ciscofirepower_management_centerRange6.5.06.5.0.5
OR
ciscofirepower_management_centerRange6.7.06.7.0.3
OR
ciscofirepower_management_centerMatch6.2.1
OR
ciscofirepower_management_centerMatch6.6.0
OR
ciscofirepower_management_centerMatch6.6.0.1
OR
ciscofirepower_management_centerMatch6.6.1
OR
ciscofirepower_management_centerMatch6.6.3
OR
ciscofirepower_management_centerMatch6.6.4
OR
ciscofirepower_management_centerMatch6.6.5
OR
ciscofirepower_management_centerMatch6.6.5.1
OR
ciscofirepower_management_centerMatch6.6.5.2
OR
ciscofirepower_management_centerMatch7.0.0
OR
ciscofirepower_management_centerMatch7.0.0.1
OR
ciscofirepower_management_centerMatch7.0.1
OR
ciscofirepower_management_centerMatch7.0.1.1
OR
ciscofirepower_management_centerMatch7.0.2
OR
ciscofirepower_management_centerMatch7.0.2.1
OR
ciscofirepower_management_centerMatch7.0.3
OR
ciscofirepower_management_centerMatch7.0.4
Node
ciscofirepower_threat_defenseRange6.1.06.1.0.7
OR
ciscofirepower_threat_defenseRange6.2.06.2.0.6
OR
ciscofirepower_threat_defenseRange6.2.26.2.2.5
OR
ciscofirepower_threat_defenseRange6.2.36.2.3.18
OR
ciscofirepower_threat_defenseRange6.3.06.3.0.5
OR
ciscofirepower_threat_defenseRange6.4.06.4.0.15
OR
ciscofirepower_threat_defenseRange6.5.06.5.0.5
OR
ciscofirepower_threat_defenseRange6.7.06.7.0.3
OR
ciscofirepower_threat_defenseMatch6.2.1
OR
ciscofirepower_threat_defenseMatch6.6.0
OR
ciscofirepower_threat_defenseMatch6.6.0.1
OR
ciscofirepower_threat_defenseMatch6.6.1
OR
ciscofirepower_threat_defenseMatch6.6.3
OR
ciscofirepower_threat_defenseMatch6.6.4
OR
ciscofirepower_threat_defenseMatch6.6.5
OR
ciscofirepower_threat_defenseMatch6.6.5.1
OR
ciscofirepower_threat_defenseMatch6.6.5.2
OR
ciscofirepower_threat_defenseMatch7.0.0
OR
ciscofirepower_threat_defenseMatch7.0.0.1
OR
ciscofirepower_threat_defenseMatch7.0.1
OR
ciscofirepower_threat_defenseMatch7.0.1.1
OR
ciscofirepower_threat_defenseMatch7.0.2
OR
ciscofirepower_threat_defenseMatch7.0.2.1
OR
ciscofirepower_threat_defenseMatch7.0.3
OR
ciscofirepower_threat_defenseMatch7.0.4

CNA Affected

[
  {
    "vendor": "Cisco",
    "product": "Cisco Firepower Management Center",
    "versions": [
      {
        "version": "N/A",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Cisco",
    "product": "Cisco Firepower Threat Defense Software",
    "versions": [
      {
        "version": "N/A",
        "status": "affected"
      }
    ]
  }
]

Social References

More

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.001 Low

EPSS

Percentile

50.5%

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