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CVE-2020-3196
CVE ID
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CVE-2020-3196
MITRE ATT&CK
Collection
Command and Control
Credential Access
Defense Evasion
Discovery
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Topic Tags
Description
A vulnerability in the Secure Sockets Layer (SSL)/Transport Layer Security (TLS) handler of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to exhaust memory resources on the affected device, leading to a denial of service (DoS) condition. The vulnerability is due to improper resource management for inbound SSL/TLS connections. An attacker could exploit this vulnerability by establishing multiple SSL/TLS connections with specific conditions to the affected device. A successful exploit could allow the attacker to exhaust the memory on the affected device, causing the device to stop accepting new SSL/TLS connections and resulting in a DoS condition for services on the device that process SSL/TLS traffic. Manual intervention is required to recover an affected device.
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CVSS V3 Severity and Metrics
General Information
Vendors
- cisco
Products
- adaptive security appliance software,
- asa 5505 firmware 100.13(0),
- asa 5505 firmware 9.4(4),
- asa 5505 firmware 9.8(4.18),
- asa 5510 firmware 100.13(0),
- asa 5510 firmware 9.4(4),
- asa 5510 firmware 9.8(4.18),
- asa 5512-x firmware 100.13(0),
- asa 5512-x firmware 9.4(4),
- asa 5512-x firmware 9.8(4.18),
- asa 5515-x firmware 100.13(0),
- asa 5515-x firmware 9.4(4),
- asa 5515-x firmware 9.8(4.18),
- asa 5520 firmware 100.13(0),
- asa 5520 firmware 9.4(4),
- asa 5520 firmware 9.8(4.18),
- asa 5525-x firmware 100.13(0),
- asa 5525-x firmware 9.4(4),
- asa 5525-x firmware 9.8(4.18),
- asa 5540 firmware 100.13(0),
- asa 5540 firmware 9.4(4),
- asa 5540 firmware 9.8(4.18),
- asa 5545-x firmware 100.13(0),
- asa 5545-x firmware 9.4(4),
- asa 5545-x firmware 9.8(4.18),
- asa 5550 firmware 100.13(0),
- asa 5550 firmware 9.4(4),
- asa 5550 firmware 9.8(4.18),
- asa 5555-x firmware 100.13(0),
- asa 5555-x firmware 9.4(4),
- asa 5555-x firmware 9.8(4.18),
- asa 5580 firmware 100.13(0),
- asa 5580 firmware 9.4(4),
- asa 5580 firmware 9.8(4.18),
- asa 5585-x firmware 100.13(0),
- asa 5585-x firmware 9.4(4),
- asa 5585-x firmware 9.8(4.18),
- firepower threat defense
References
Additional Info
Technical Analysis
Report as Emergent Threat Response
Report as Exploited in the Wild
CVE ID
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