CVE-2022-20746
Published May 3, 2022
Last updated a year ago
Overview
- Description
- A vulnerability in the TCP proxy functionality of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to trigger a denial of service (DoS) condition. This vulnerability is due to improper handling of TCP flows. An attacker could exploit this vulnerability by sending a crafted stream of TCP traffic through an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.
- Source
- ykramarz@cisco.com
- NVD status
- Modified
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 7.5
- Impact score
- 3.6
- Exploitability score
- 3.9
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Severity
- HIGH
CVSS 2.0
- Type
- Primary
- Base score
- 7.1
- Impact score
- 6.9
- Exploitability score
- 8.6
- Vector string
- AV:N/AC:M/Au:N/C:N/I:N/A:C
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "35AD28D3-1C08-44EF-9148-371C9E7912E5",
"versionEndExcluding": "6.4.0.15"
},
{
"criteria": "cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "CD7675E1-AE0A-4C69-915D-144597F1250E",
"versionEndExcluding": "6.6.5.2",
"versionStartIncluding": "6.5.0"
},
{
"criteria": "cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "536C9927-B64A-4959-BE92-9F2665AEA811",
"versionEndExcluding": "7.0.2",
"versionStartIncluding": "7.0.0"
},
{
"criteria": "cpe:2.3:a:cisco:firepower_threat_defense:7.1.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D619BF54-1BA9-45D0-A876-92D7010088A0"
}
],
"operator": "OR"
}
]
}
]