What is CVE-2024-20339?

CVE-2024-20339 is a high-severity vulnerability in Cisco Firepower Threat Defense Software, classified under NULL Pointer Dereference. CVSS score: 8.6/10. Published 2024-10-23.

How severe is CVE-2024-20339?

High severity. CVSS v3 base score is 8.6 out of 10.

Is CVE-2024-20339 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

NULL pointer dereference in Cisco Firepower Threat Defense Software

CVE-2024-20339

A vulnerability in the TLS processing feature of Cisco Firepower Threat Defense (FTD) Software for Cisco Firepower 2100 Series could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected devi…

EPSS: 0.021 (84.2th 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

Cisco Firepower Threat Defense Software — versions 6.2.3, 6.2.3.9, 6.2.3.1

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

Frequently asked questions

What is CVE-2024-20339?: CVE-2024-20339 is a high-severity vulnerability in Cisco Firepower Threat Defense Software, classified under NULL Pointer Dereference. CVSS score: 8.6/10. Published 2024-10-23.
How severe is CVE-2024-20339?: High severity. CVSS v3 base score is 8.6 out of 10.
Is CVE-2024-20339 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.