Observable discrepancy in Cisco Firewall Threat Defense (FTD) - CVE-2022-20940
Published: November 10, 2022
Vulnerability identifier: #VU69204
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-20940
CWE-ID: CWE-203
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Cisco Firewall Threat Defense (FTD)
Cisco Firewall Threat Defense (FTD)
Software vendor:
Cisco Systems, Inc
Cisco Systems, Inc
Description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to observable discrepancy issue in the TLS handler. A remote attacker can send specially crafted TLS messages and gain unauthorized access to sensitive information on the system.
Remediation
Install updates from vendor's website.