CVE-2023-20042
CVSS 3.1 Score 8.6 of 10 (high)
Details
Summary
CVE-2023-20042 is a vulnerability that affects the AnyConnect SSL VPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software. This vulnerability allows an unauthenticated, remote attacker to cause a denial of service (DoS) condition on the affected device. The vulnerability is caused by an implementation error within the SSL/TLS session handling process, which can lead to the release of a session handler under specific conditions. An attacker can exploit this vulnerability by sending crafted SSL/TLS traffic to the device, potentially depleting the available session handler pool and causing a DoS condition. To remediate this vulnerability, it is recommended to apply the necessary security patches or software updates provided by Cisco. This vulnerability poses a potential danger to organizations as it can disrupt network operations and prevent new sessions from being established, impacting productivity and availability.
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