CVE-2026-20057
EUVD-2026-946104.03.2026, 18:16
Multiple Cisco products are affected by a vulnerability in the Snort 3 Visual Basic for Applications (VBA) feature which could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to crash. This vulnerability is due to lack of proper error checking when decompressing VBA data. An attacker could exploit this vulnerability by sending a crafted VBA data to the Snort 3 Detection Engine on the targeted device. A successful exploit could allow the attacker to cause the Snort 3 Detection Engine to unexpectedly restart causing a a denial of service (DoS) condition.Enginsight
Affected Products (NVD)
| Vendor | Product | Version |
|---|---|---|
| cisco | snort | 3.0.0-233 ≤ 𝑥 < 3.9.3.0 |
| cisco | cyber_vision | 3.0.0 |
| cisco | cyber_vision | 3.0.1 |
| cisco | cyber_vision | 3.0.2 |
| cisco | cyber_vision | 3.0.3 |
| cisco | cyber_vision | 3.0.4 |
| cisco | cyber_vision | 3.0.5 |
| cisco | cyber_vision | 3.0.6 |
| cisco | cyber_vision | 3.1.0 |
| cisco | cyber_vision | 3.1.1 |
| cisco | cyber_vision | 3.1.2 |
| cisco | cyber_vision | 3.2.0 |
| cisco | cyber_vision | 3.2.1 |
| cisco | cyber_vision | 3.2.2 |
| cisco | cyber_vision | 3.2.3 |
| cisco | cyber_vision | 3.2.4 |
| cisco | cyber_vision | 4.0.0 |
| cisco | cyber_vision | 4.0.1 |
| cisco | cyber_vision | 4.0.2 |
| cisco | cyber_vision | 4.0.3 |
| cisco | cyber_vision | 4.1.0 |
| cisco | cyber_vision | 4.1.1 |
| cisco | cyber_vision | 4.1.2 |
| cisco | cyber_vision | 4.1.3 |
| cisco | cyber_vision | 4.1.4 |
| cisco | cyber_vision | 4.1.5 |
| cisco | cyber_vision | 4.1.6 |
| cisco | cyber_vision | 4.1.7 |
| cisco | cyber_vision | 4.2.0 |
| cisco | cyber_vision | 4.2.1 |
| cisco | cyber_vision | 4.2.2 |
| cisco | cyber_vision | 4.2.3 |
| cisco | cyber_vision | 4.2.4 |
| cisco | cyber_vision | 4.2.6 |
| cisco | cyber_vision | 4.3.0 |
| cisco | cyber_vision | 4.3.1 |
| cisco | cyber_vision | 4.3.2 |
| cisco | cyber_vision | 4.3.3 |
| cisco | cyber_vision | 4.4.0 |
| cisco | cyber_vision | 4.4.1 |
| cisco | cyber_vision | 4.4.2 |
| cisco | cyber_vision | 4.4.3 |
| cisco | cyber_vision | 5.0.0 |
| cisco | cyber_vision | 5.0.1 |
| cisco | cyber_vision | 5.0.2 |
| cisco | cyber_vision | 5.1.0 |
| cisco | cyber_vision | 5.1.1 |
| cisco | cyber_vision | 5.1.2 |
| cisco | cyber_vision | 5.1.3 |
| cisco | cyber_vision | 5.2.0 |
| cisco | cyber_vision | 5.2.1 |
| cisco | cyber_vision | 5.3.0 |
| cisco | cyber_vision | 5.3.1 |
| cisco | secure_firewall_threat_defense | 7.2.0 |
| cisco | secure_firewall_threat_defense | 7.2.0.1 |
| cisco | secure_firewall_threat_defense | 7.2.1 |
| cisco | secure_firewall_threat_defense | 7.2.2 |
| cisco | secure_firewall_threat_defense | 7.2.3 |
| cisco | secure_firewall_threat_defense | 7.2.4 |
| cisco | secure_firewall_threat_defense | 7.2.4.1 |
| cisco | secure_firewall_threat_defense | 7.2.5 |
| cisco | secure_firewall_threat_defense | 7.2.5.1 |
| cisco | secure_firewall_threat_defense | 7.2.5.2 |
| cisco | secure_firewall_threat_defense | 7.2.6 |
| cisco | secure_firewall_threat_defense | 7.2.7 |
| cisco | secure_firewall_threat_defense | 7.2.8 |
| cisco | secure_firewall_threat_defense | 7.2.8.1 |
| cisco | secure_firewall_threat_defense | 7.2.9 |
| cisco | secure_firewall_threat_defense | 7.2.10 |
| cisco | secure_firewall_threat_defense | 7.2.10.2 |
| cisco | secure_firewall_threat_defense | 7.3.0 |
| cisco | secure_firewall_threat_defense | 7.3.1 |
| cisco | secure_firewall_threat_defense | 7.3.1.1 |
| cisco | secure_firewall_threat_defense | 7.3.1.2 |
| cisco | secure_firewall_threat_defense | 7.4.0 |
| cisco | secure_firewall_threat_defense | 7.4.1 |
| cisco | secure_firewall_threat_defense | 7.4.1.1 |
| cisco | secure_firewall_threat_defense | 7.4.2 |
| cisco | secure_firewall_threat_defense | 7.4.2.1 |
| cisco | secure_firewall_threat_defense | 7.4.2.2 |
| cisco | secure_firewall_threat_defense | 7.4.2.3 |
| cisco | secure_firewall_threat_defense | 7.4.2.4 |
| cisco | secure_firewall_threat_defense | 7.4.3 |
| cisco | secure_firewall_threat_defense | 7.6.0 |
| cisco | secure_firewall_threat_defense | 7.6.1 |
| cisco | secure_firewall_threat_defense | 7.6.2 |
| cisco | secure_firewall_threat_defense | 7.6.2.1 |
| cisco | secure_firewall_threat_defense | 7.7.0 |
| cisco | secure_firewall_threat_defense | 7.7.10 |
| cisco | secure_firewall_threat_defense | 7.7.10.1 |
| cisco | unified_threat_defense_snort_intrusion_prevention_system_engine | 17.12.1a:a |
| cisco | unified_threat_defense_snort_intrusion_prevention_system_engine | 17.12.2 |
| cisco | unified_threat_defense_snort_intrusion_prevention_system_engine | 17.12.3 |
| cisco | unified_threat_defense_snort_intrusion_prevention_system_engine | 17.12.3a:a |
| cisco | unified_threat_defense_snort_intrusion_prevention_system_engine | 17.12.4 |
| cisco | unified_threat_defense_snort_intrusion_prevention_system_engine | 17.12.4a:a |
| cisco | unified_threat_defense_snort_intrusion_prevention_system_engine | 17.12.4b:b |
| cisco | unified_threat_defense_snort_intrusion_prevention_system_engine | 17.12.5 |
| cisco | unified_threat_defense_snort_intrusion_prevention_system_engine | 17.12.5a:a |
| cisco | unified_threat_defense_snort_intrusion_prevention_system_engine | 17.12.5b:b |
| cisco | unified_threat_defense_snort_intrusion_prevention_system_engine | 17.12.5c:c |
| cisco | unified_threat_defense_snort_intrusion_prevention_system_engine | 17.12.5d:d |
| cisco | unified_threat_defense_snort_intrusion_prevention_system_engine | 17.12.6 |
| cisco | unified_threat_defense_snort_intrusion_prevention_system_engine | 17.13.1a:a |
| cisco | unified_threat_defense_snort_intrusion_prevention_system_engine | 17.14.1a:a |
| cisco | unified_threat_defense_snort_intrusion_prevention_system_engine | 17.15.1a:a |
| cisco | unified_threat_defense_snort_intrusion_prevention_system_engine | 17.15.2a:a |
| cisco | unified_threat_defense_snort_intrusion_prevention_system_engine | 17.15.2c:c |
| cisco | unified_threat_defense_snort_intrusion_prevention_system_engine | 17.15.3 |
| cisco | unified_threat_defense_snort_intrusion_prevention_system_engine | 17.15.3a:a |
| cisco | unified_threat_defense_snort_intrusion_prevention_system_engine | 17.15.4 |
| cisco | unified_threat_defense_snort_intrusion_prevention_system_engine | 17.15.4c:c |
| cisco | unified_threat_defense_snort_intrusion_prevention_system_engine | 17.16.1a:a |
| cisco | unified_threat_defense_snort_intrusion_prevention_system_engine | 17.17.1 |
| cisco | unified_threat_defense_snort_intrusion_prevention_system_engine | 17.18.1 |
| cisco | unified_threat_defense_snort_intrusion_prevention_system_engine | 17.18.1a:a |
| cisco | unified_threat_defense_snort_intrusion_prevention_system_engine | 17.18.2 |
𝑥
= Vulnerable software versions
Common Weakness Enumeration