CVEvulnerability
CVE-2022-20746
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2022-05-03
- Last modified
- 2026-08-11
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.6 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 7.1 HIGH — AV:N/AC:M/Au:N/C:N/I:N/A:C
- Weaknesses
- CWE-476
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.
Affected configurations
• cisco secure firewall threat defense (< 6.4.0.15)
• cisco secure firewall threat defense (>= 6.5.0 < 6.6.5.2)
• cisco secure firewall threat defense (>= 7.0.0 < 7.0.2)
• cisco secure firewall threat defense 7.1.0
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness