CVE-2022-20748
MediumCVSS 5.3Exploitation Probability (EPSS)
Elevated risk66th percentile - higher than 66% of all known CVEs
Summary
A vulnerability in the local malware analysis process of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The issue is due to insufficient error handling. An attacker could send a crafted file through the device, causing the analysis process to crash and resulting in DoS. Manual intervention may be required.
Risk Assessment
A DoS attack could cause device downtime, impacting security services and requiring manual intervention from staff.
Recommendation
It is recommended to update FTD software to patched versions and monitor devices for unusual behavior.
Original NVD description (English source)
A vulnerability in the local malware analysis process of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on the affected device. This vulnerability is due to insufficient error handling in the local malware analysis process of an affected device. An attacker could exploit this vulnerability by sending a crafted file through the device. A successful exploit could allow the attacker to cause the local malware analysis process to crash, which could result in a DoS condition. Notes: Manual intervention may be required to recover from this situation. Malware cloud lookup and dynamic analysis will not be impacted.