Business Logic Errors in Cisco Firewall Threat Defense (FTD) - CVE-2023-20070
Published: November 2, 2023
Vulnerability identifier: #VU82675
CSH Severity: Low
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-20070
CWE-ID: CWE-840
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a logic error in how memory allocations are handled during a TLS 1.3 session. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
Affected software
Cisco Firewall Threat Defense (FTD)
How to mitigate CVE-2023-20070
Install update from vendor's website.
Cisco Firewall Threat Defense (FTD) - addressed in versions 7.2.1, 7.3.0