8.6
CVE-2022-20746
- EPSS 0.91%
- Published 03.05.2022 04:15:09
- Last modified 21.11.2024 06:43:28
- Source psirt@cisco.com
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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.
Data is provided by the National Vulnerability Database (NVD)
Cisco ≫ Firepower Threat Defense Version < 6.4.0.15
Cisco ≫ Firepower Threat Defense Version >= 6.5.0 < 6.6.5.2
Cisco ≫ Firepower Threat Defense Version >= 7.0.0 < 7.0.2
Cisco ≫ Firepower Threat Defense Version7.1.0
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
| Type | Source | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.91% | 0.749 |
| Source | Base Score | Exploit Score | Impact Score | Vector string |
|---|---|---|---|---|
| nvd@nist.gov | 7.5 | 3.9 | 3.6 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
|
| nvd@nist.gov | 7.1 | 8.6 | 6.9 |
AV:N/AC:M/Au:N/C:N/I:N/A:C
|
| psirt@cisco.com | 8.6 | 3.9 | 4 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
|
CWE-476 NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.