Firepower Threat Defense Software
by Cisco
Standard maintenance is sufficient
Firepower Threat Defense Software has low exploitation rates. Attackers rarely target this software's known vulnerabilities.
What to do
- Keep automatic updates enabled
- No urgent action needed
- Review periodically as part of normal maintenance
What Attackers Target
Vulnerabilities with high exploit probability
4.2%
Confirmed actively exploited (CISA)
4.2%
Public exploit code available
0.0%
Based on 24 known vulnerabilities. Percentages show the proportion that are actively dangerous — a low percentage means most vulnerabilities in this product are not being exploited.
Most Dangerous Vulnerabilities
| CVE | CVSS | Exploit Probability | Confirmed |
|---|---|---|---|
| CVE-2024-20481 | 5.8 | 11.1% | Yes |
| CVE-2024-20339 | 8.6 | 2.1% | — |
| CVE-2024-20351 | 8.6 | 1.4% | — |
| CVE-2024-20331 | 6.8 | 1.0% | — |
| CVE-2024-20426 | 8.6 | 0.6% | — |
| CVE-2024-20341 | 6.1 | 0.2% | — |
| CVE-2026-20014 | 7.7 | 0.2% | — |
| CVE-2026-20049 | 7.7 | 0.2% | — |
| CVE-2026-20013 | 5.8 | 0.2% | — |
| CVE-2026-20101 | 8.6 | 0.1% | — |
| CVE-2026-20015 | 5.8 | 0.1% | — |
| CVE-2024-20493 | 5.3 | 0.1% | — |
| CVE-2026-20039 | 8.6 | 0.1% | — |
| CVE-2026-20105 | 7.7 | 0.1% | — |
| CVE-2021-34753 | 5.8 | 0.1% | — |
| CVE-2026-20103 | 8.6 | 0.1% | — |
| CVE-2026-20106 | 5.3 | 0.1% | — |
| CVE-2024-20342 | 5.8 | 0.1% | — |
| CVE-2026-20050 | 6.8 | 0.0% | — |
| CVE-2024-20485 | 6.0 | 0.0% | — |
2
/ 100
low-risk
Active Threat
1/50 · Minimal
Exploit Availability
1/50 · Minimal
Score uses Wilson score intervals to account for sample size. Products with few CVEs are scored conservatively.