CVE-2024-20495: Input Validation
First published: Wed Oct 23 2024(Updated: )
A vulnerability in the Remote Access VPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition on an affected device. This vulnerability is due to improper validation of client key data after the TLS session is established. An attacker could exploit this vulnerability by sending a crafted key value to an affected system over the secure TLS session. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Adaptive Security Appliance Software | ||
| Cisco Firepower Threat Defense |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2024-20495?
The severity of CVE-2024-20495 is critical as it allows an unauthenticated remote attacker to disrupt service and potentially cause a denial of service.
How do I fix CVE-2024-20495?
To fix CVE-2024-20495, update to the latest software versions of Cisco Adaptive Security Appliance (ASA) and Cisco Firepower Threat Defense (FTD) that address the vulnerability.
What devices are affected by CVE-2024-20495?
CVE-2024-20495 affects Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software.
What is the impact of CVE-2024-20495?
The impact of CVE-2024-20495 includes an unexpected device reload, leading to a denial of service (DoS) condition.
Can CVE-2024-20495 be exploited remotely?
Yes, CVE-2024-20495 can be exploited remotely by an unauthenticated attacker.
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