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CVE-2026-20349 is a high severity vulnerability with a CVSS score of 8.6. Exploits are available; patches have been released and should be applied urgently.
Lower probability of exploitation
EPSS predicts the probability of exploitation in the next 30 days based on real-world threat data, complementing CVSS severity scores with actual risk assessment.
Cisco Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) contain a heap inspection vulnerability that could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition.
| Vendor | Product |
|---|---|
| Cisco | Adaptive Security Appliance Software |
| Cisco | Secure Firewall Threat Defense |
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