Description
Multiple Cisco products are affected by a vulnerability in the Snort 3 Detection Engine that could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to restart, resulting in an interruption of packet inspection. This vulnerability is due to incomplete parsing of the SSL handshake ingress packets. An attacker could exploit this vulnerability by sending crafted SSL handshake packets. A successful exploit could allow the attacker to cause a denial of service (DoS) condition when the Snort 3 Detection Engine restarts unexpectedly.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
None
Availability
Low
Affected products
- Cisco / Cisco Cyber Vision4.4.3 – 4.4.3
- Cisco / Cisco Cyber Vision5.1.2 – 5.1.2
- Cisco / Cisco Cyber Vision5.1.3 – 5.1.3
- Cisco / Cisco Cyber Vision5.2.0 – 5.2.0
- Cisco / Cisco Cyber Vision5.2.1 – 5.2.1
- Cisco / Cisco Cyber Vision5.3.0 – 5.3.0
- Cisco / Cisco Cyber Vision5.3.1 – 5.3.1
- Cisco / Cisco Cyber Vision5.3.2 – 5.3.2
- Cisco / Cisco Cyber Vision3.0.4 – 3.0.4
- Cisco / Cisco Cyber Vision3.0.0 – 3.0.0
- Cisco / Cisco Cyber Vision3.0.1 – 3.0.1
- Cisco / Cisco Cyber Vision3.0.2 – 3.0.2
- Cisco / Cisco Cyber Vision3.0.3 – 3.0.3
- Cisco / Cisco Cyber Vision3.0.5 – 3.0.5
- Cisco / Cisco Cyber Vision3.0.6 – 3.0.6
- Cisco / Cisco Cyber Vision3.1.0 – 3.1.0
- Cisco / Cisco Cyber Vision3.1.2 – 3.1.2
- Cisco / Cisco Cyber Vision3.1.1 – 3.1.1
- Cisco / Cisco Cyber Vision3.2.3 – 3.2.3
- Cisco / Cisco Cyber Vision3.2.1 – 3.2.1
- Cisco / Cisco Cyber Vision3.2.4 – 3.2.4
- Cisco / Cisco Cyber Vision3.2.0 – 3.2.0
- Cisco / Cisco Cyber Vision3.2.2 – 3.2.2
- Cisco / Cisco Cyber Vision4.0.0 – 4.0.0
- Cisco / Cisco Cyber Vision4.0.1 – 4.0.1
- Cisco / Cisco Cyber Vision4.0.2 – 4.0.2
- Cisco / Cisco Cyber Vision4.0.3 – 4.0.3
- Cisco / Cisco Cyber Vision4.1.0 – 4.1.0
- Cisco / Cisco Cyber Vision4.1.1 – 4.1.1
- Cisco / Cisco Cyber Vision4.1.2 – 4.1.2
- Cisco / Cisco Cyber Vision4.1.3 – 4.1.3
- Cisco / Cisco Cyber Vision4.1.4 – 4.1.4
- Cisco / Cisco Cyber Vision4.1.5 – 4.1.5
- Cisco / Cisco Cyber Vision4.1.6 – 4.1.6
- Cisco / Cisco Cyber Vision4.1.7 – 4.1.7
- Cisco / Cisco Cyber Vision4.2.0 – 4.2.0
- Cisco / Cisco Cyber Vision4.2.1 – 4.2.1
- Cisco / Cisco Cyber Vision4.2.4 – 4.2.4
- Cisco / Cisco Cyber Vision4.2.6 – 4.2.6
- Cisco / Cisco Cyber Vision4.2.2 – 4.2.2
- Cisco / Cisco Cyber Vision4.2.3 – 4.2.3
- Cisco / Cisco Cyber Vision4.3.0 – 4.3.0
- Cisco / Cisco Cyber Vision4.3.1 – 4.3.1
- Cisco / Cisco Cyber Vision4.3.2 – 4.3.2
- Cisco / Cisco Cyber Vision4.3.3 – 4.3.3
- Cisco / Cisco Cyber Vision4.4.0 – 4.4.0
- Cisco / Cisco Cyber Vision4.4.1 – 4.4.1
- Cisco / Cisco Cyber Vision4.4.2 – 4.4.2
- Cisco / Cisco Cyber Vision5.0.0 – 5.0.0
- Cisco / Cisco Cyber Vision5.0.1 – 5.0.1
- Cisco / Cisco Cyber Vision5.0.2 – 5.0.2
- Cisco / Cisco Cyber Vision5.1.1 – 5.1.1
- Cisco / Cisco Secure Firewall Threat Defense (FTD) Software7.7.10 – 7.7.10
- Cisco / Cisco Secure Firewall Threat Defense (FTD) Software7.7.10.1 – 7.7.10.1
- Cisco / Cisco Secure Firewall Threat Defense (FTD) Software7.6.2.1 – 7.6.2.1
- Cisco / Cisco Secure Firewall Threat Defense (FTD) Software7.6.1 – 7.6.1
- Cisco / Cisco Secure Firewall Threat Defense (FTD) Software7.7.0 – 7.7.0
- Cisco / Cisco Secure Firewall Threat Defense (FTD) Software7.6.2 – 7.6.2
- Cisco / Cisco Secure Firewall Threat Defense (FTD) Software7.6.0 – 7.6.0
- Cisco / Cisco UTD SNORT IPS Engine Software17.17.1 – 17.17.1
- Cisco / Cisco UTD SNORT IPS Engine Software17.18.1a – 17.18.1a
- Cisco / Cisco UTD SNORT IPS Engine Software17.18.2 – 17.18.2
- Cisco / Cisco UTD SNORT IPS Engine Software17.6.8a – 17.6.8a
- Cisco / Cisco UTD SNORT IPS Engine Software17.2.1r – 17.2.1r
- Cisco / Cisco UTD SNORT IPS Engine Software17.3.1a – 17.3.1a
- Cisco / Cisco UTD SNORT IPS Engine Software17.3.2 – 17.3.2
- Cisco / Cisco UTD SNORT IPS Engine Software17.3.3 – 17.3.3
- Cisco / Cisco UTD SNORT IPS Engine Software17.3.4a – 17.3.4a
- Cisco / Cisco UTD SNORT IPS Engine Software17.3.6 – 17.3.6
- Cisco / Cisco UTD SNORT IPS Engine Software17.3.5 – 17.3.5
- Cisco / Cisco UTD SNORT IPS Engine Software17.3.7 – 17.3.7
- Cisco / Cisco UTD SNORT IPS Engine Software17.3.8 – 17.3.8
- Cisco / Cisco UTD SNORT IPS Engine Software17.4.1a – 17.4.1a
- Cisco / Cisco UTD SNORT IPS Engine Software17.4.2 – 17.4.2
- Cisco / Cisco UTD SNORT IPS Engine Software17.4.1b – 17.4.1b
- Cisco / Cisco UTD SNORT IPS Engine Software17.5.1a – 17.5.1a
- Cisco / Cisco UTD SNORT IPS Engine Software17.6.1a – 17.6.1a
- Cisco / Cisco UTD SNORT IPS Engine Software17.6.2 – 17.6.2
- Cisco / Cisco UTD SNORT IPS Engine Software17.6.3a – 17.6.3a
- Cisco / Cisco UTD SNORT IPS Engine Software17.6.4 – 17.6.4
- Cisco / Cisco UTD SNORT IPS Engine Software17.6.5 – 17.6.5
- Cisco / Cisco UTD SNORT IPS Engine Software17.6.6 – 17.6.6
- Cisco / Cisco UTD SNORT IPS Engine Software17.6.7 – 17.6.7
- Cisco / Cisco UTD SNORT IPS Engine Software17.7.1a – 17.7.1a
- Cisco / Cisco UTD SNORT IPS Engine Software17.7.2 – 17.7.2
- Cisco / Cisco UTD SNORT IPS Engine Software17.10.1a – 17.10.1a
- Cisco / Cisco UTD SNORT IPS Engine Software17.9.1a – 17.9.1a
- Cisco / Cisco UTD SNORT IPS Engine Software17.9.2a – 17.9.2a
- Cisco / Cisco UTD SNORT IPS Engine Software17.9.3a – 17.9.3a
- Cisco / Cisco UTD SNORT IPS Engine Software17.9.4 – 17.9.4
- Cisco / Cisco UTD SNORT IPS Engine Software17.9.5a – 17.9.5a
- Cisco / Cisco UTD SNORT IPS Engine Software17.9.6 – 17.9.6
- Cisco / Cisco UTD SNORT IPS Engine Software17.9.5e – 17.9.5e
- Cisco / Cisco UTD SNORT IPS Engine Software17.9.5f – 17.9.5f
- Cisco / Cisco UTD SNORT IPS Engine Software17.9.7a – 17.9.7a
- Cisco / Cisco UTD SNORT IPS Engine Software17.9.8 – 17.9.8
- Cisco / Cisco UTD SNORT IPS Engine Software17.9.7b – 17.9.7b
- Cisco / Cisco UTD SNORT IPS Engine Software17.8.1a – 17.8.1a
- Cisco / Cisco UTD SNORT IPS Engine Software17.11.1a – 17.11.1a
- Cisco / Cisco UTD SNORT IPS Engine Software17.12.1a – 17.12.1a
- Cisco / Cisco UTD SNORT IPS Engine Software17.12.2 – 17.12.2
- Cisco / Cisco UTD SNORT IPS Engine Software17.12.3 – 17.12.3
- Cisco / Cisco UTD SNORT IPS Engine Software17.12.4 – 17.12.4
- Cisco / Cisco UTD SNORT IPS Engine Software17.12.4a – 17.12.4a
- Cisco / Cisco UTD SNORT IPS Engine Software17.12.4b – 17.12.4b
- Cisco / Cisco UTD SNORT IPS Engine Software17.12.5 – 17.12.5
- Cisco / Cisco UTD SNORT IPS Engine Software17.12.5a – 17.12.5a
- Cisco / Cisco UTD SNORT IPS Engine Software17.12.5b – 17.12.5b
- Cisco / Cisco UTD SNORT IPS Engine Software17.12.5c – 17.12.5c
- Cisco / Cisco UTD SNORT IPS Engine Software17.12.6 – 17.12.6
- Cisco / Cisco UTD SNORT IPS Engine Software17.12.5d – 17.12.5d
- Cisco / Cisco UTD SNORT IPS Engine Software17.13.1a – 17.13.1a
- Cisco / Cisco UTD SNORT IPS Engine Software17.14.1a – 17.14.1a
- Cisco / Cisco UTD SNORT IPS Engine Software17.15.1a – 17.15.1a
- Cisco / Cisco UTD SNORT IPS Engine Software17.15.2a – 17.15.2a
- Cisco / Cisco UTD SNORT IPS Engine Software17.15.2c – 17.15.2c
- Cisco / Cisco UTD SNORT IPS Engine Software17.15.3 – 17.15.3
- Cisco / Cisco UTD SNORT IPS Engine Software17.15.3a – 17.15.3a
- Cisco / Cisco UTD SNORT IPS Engine Software17.15.4 – 17.15.4
- Cisco / Cisco UTD SNORT IPS Engine Software17.15.4c – 17.15.4c
- Cisco / Cisco UTD SNORT IPS Engine Software17.16.1a – 17.16.1a
- Cisco / cyber_vision4.1.3 – 4.1.3
- Cisco / cyber_vision3.0.1 – 3.0.1
- Cisco / cyber_vision3.0.2 – 3.0.2
- Cisco / cyber_vision3.0.3 – 3.0.3
- Cisco / cyber_vision3.0.4 – 3.0.4
- Cisco / cyber_vision3.0.5 – 3.0.5
- Cisco / cyber_vision3.0.6 – 3.0.6
- Cisco / cyber_vision3.1.0 – 3.1.0
- Cisco / cyber_vision3.1.1 – 3.1.1
- Cisco / cyber_vision3.1.2 – 3.1.2
- Cisco / cyber_vision3.2.0 – 3.2.0
- Cisco / cyber_vision3.2.1 – 3.2.1
- Cisco / cyber_vision3.2.2 – 3.2.2
- Cisco / cyber_vision3.2.3 – 3.2.3
- Cisco / cyber_vision3.2.4 – 3.2.4
- Cisco / cyber_vision4.0.0 – 4.0.0
- Cisco / cyber_vision4.0.1 – 4.0.1
- Cisco / cyber_vision4.0.2 – 4.0.2
- Cisco / cyber_vision4.0.3 – 4.0.3
- Cisco / cyber_vision4.1.0 – 4.1.0
- Cisco / cyber_vision4.1.1 – 4.1.1
- Cisco / cyber_vision4.1.2 – 4.1.2
- Cisco / cyber_vision3.0.0 – 3.0.0
- Cisco / cyber_vision4.1.4 – 4.1.4
- Cisco / cyber_vision4.1.5 – 4.1.5
- Cisco / cyber_vision4.1.6 – 4.1.6
- Cisco / cyber_vision4.1.7 – 4.1.7
- Cisco / cyber_vision4.2.0 – 4.2.0
- Cisco / cyber_vision4.2.1 – 4.2.1
- Cisco / cyber_vision4.2.2 – 4.2.2
- Cisco / cyber_vision4.2.3 – 4.2.3
- Cisco / cyber_vision4.2.4 – 4.2.4
- Cisco / cyber_vision4.2.6 – 4.2.6
- Cisco / cyber_vision4.3.0 – 4.3.0
- Cisco / cyber_vision4.3.1 – 4.3.1
- Cisco / cyber_vision4.3.2 – 4.3.2
- Cisco / cyber_vision4.3.3 – 4.3.3
- Cisco / cyber_vision4.4.0 – 4.4.0
- Cisco / cyber_vision4.4.1 – 4.4.1
- Cisco / cyber_vision4.4.2 – 4.4.2
- Cisco / cyber_vision4.4.3 – 4.4.3
- Cisco / cyber_vision5.0.0 – 5.0.0
- Cisco / cyber_vision5.0.1 – 5.0.1
- Cisco / cyber_vision5.0.2 – 5.0.2
- Cisco / cyber_vision5.1.0 – 5.1.0
- Cisco / cyber_vision5.1.1 – 5.1.1
- Cisco / cyber_vision5.1.2 – 5.1.2
- Cisco / cyber_vision5.1.3 – 5.1.3
- Cisco / cyber_vision5.2.0 – 5.2.0
- Cisco / cyber_vision5.2.1 – 5.2.1
- Cisco / cyber_vision5.3.0 – 5.3.0
- Cisco / cyber_vision5.3.1 – 5.3.1
- Cisco / cyber_vision5.3.2 – 5.3.2
- Cisco / secure_firewall_threat_defense7.6.0 – 7.6.0
- Cisco / secure_firewall_threat_defense7.6.1 – 7.6.1
- Cisco / secure_firewall_threat_defense7.6.2 – 7.6.2
- Cisco / secure_firewall_threat_defense7.6.2.1 – 7.6.2.1
- Cisco / secure_firewall_threat_defense7.7.0 – 7.7.0
- Cisco / secure_firewall_threat_defense7.7.10 – 7.7.10
- Cisco / secure_firewall_threat_defense7.7.10.1 – 7.7.10.1
- Cisco / snort3.0.0-233 – 3.9.2.0
- Cisco / unified_threat_defense_snort_intrusion_prevention_system_engine17.9.5e – 17.9.5e
- Cisco / unified_threat_defense_snort_intrusion_prevention_system_engine17.12.1a – 17.12.1a
- Cisco / unified_threat_defense_snort_intrusion_prevention_system_engine17.12.2 – 17.12.2
- Cisco / unified_threat_defense_snort_intrusion_prevention_system_engine17.12.3 – 17.12.3
- Cisco / unified_threat_defense_snort_intrusion_prevention_system_engine17.12.3a – 17.12.3a
- Cisco / unified_threat_defense_snort_intrusion_prevention_system_engine17.12.4 – 17.12.4
- Cisco / unified_threat_defense_snort_intrusion_prevention_system_engine17.12.4a – 17.12.4a
- Cisco / unified_threat_defense_snort_intrusion_prevention_system_engine17.12.4b – 17.12.4b
- Cisco / unified_threat_defense_snort_intrusion_prevention_system_engine17.12.5 – 17.12.5
- Cisco / unified_threat_defense_snort_intrusion_prevention_system_engine17.12.5a – 17.12.5a
- Cisco / unified_threat_defense_snort_intrusion_prevention_system_engine17.12.5b – 17.12.5b
- Cisco / unified_threat_defense_snort_intrusion_prevention_system_engine17.12.5c – 17.12.5c
- Cisco / unified_threat_defense_snort_intrusion_prevention_system_engine17.12.5d – 17.12.5d
- Cisco / unified_threat_defense_snort_intrusion_prevention_system_engine17.12.6 – 17.12.6
- Cisco / unified_threat_defense_snort_intrusion_prevention_system_engine17.13.1a – 17.13.1a
- Cisco / unified_threat_defense_snort_intrusion_prevention_system_engine17.14.1a – 17.14.1a
- Cisco / unified_threat_defense_snort_intrusion_prevention_system_engine17.15.1a – 17.15.1a
- Cisco / unified_threat_defense_snort_intrusion_prevention_system_engine17.15.2a – 17.15.2a
- Cisco / unified_threat_defense_snort_intrusion_prevention_system_engine17.15.2c – 17.15.2c
- Cisco / unified_threat_defense_snort_intrusion_prevention_system_engine17.15.3 – 17.15.3
- Cisco / unified_threat_defense_snort_intrusion_prevention_system_engine17.15.3a – 17.15.3a
- Cisco / unified_threat_defense_snort_intrusion_prevention_system_engine17.15.4 – 17.15.4
- Cisco / unified_threat_defense_snort_intrusion_prevention_system_engine17.15.4c – 17.15.4c
- Cisco / unified_threat_defense_snort_intrusion_prevention_system_engine17.16.1a – 17.16.1a
- Cisco / unified_threat_defense_snort_intrusion_prevention_system_engine17.17.1 – 17.17.1
- Cisco / unified_threat_defense_snort_intrusion_prevention_system_engine17.18.1 – 17.18.1
- Cisco / unified_threat_defense_snort_intrusion_prevention_system_engine17.18.1a – 17.18.1a
- Cisco / unified_threat_defense_snort_intrusion_prevention_system_engine17.18.2 – 17.18.2
- Cisco / unified_threat_defense_snort_intrusion_prevention_system_engine17.9.4 – 17.9.4
Updated 16m ago · 8 sources