Resource exhaustion in Cisco Firepower Threat Defense Software

CVE-2022-20751

A vulnerability in the Snort detection engine integration for Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause unlimited memory consumption, which could lead to a denial of service (DoS…

EPSS: 0.013 (65.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-20751?
CVE-2022-20751 is a high-severity vulnerability in Cisco Firepower Threat Defense Software, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 8.6/10. Published 2022-05-03.
How severe is CVE-2022-20751?
High severity. CVSS v3 base score is 8.6 out of 10.