cvedb.io
CVE-2022-20795
MEDIUM · CVSS 5.8
EPSS exploitation probability: 0%
Published 2022-04-21T19:15:08.740 · Last modified 2026-06-17T04:25:07.737

Summary

A vulnerability in the implementation of the Datagram TLS (DTLS) protocol in Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause high CPU utilization, resulting in a denial of service (DoS) condition. This vulnerability is due to suboptimal processing that occurs when establishing a DTLS tunnel as part of an AnyConnect SSL VPN connection. An attacker could exploit this vulnerability by sending a steady stream of crafted DTLS traffic to an affected device. A successful exploit could allow the attacker to exhaust resources on the affected VPN headend device. This could cause existing DTLS tunnels to stop passing traffic and prevent new DTLS tunnels from establishing, resulting in a DoS con

Affected products

cisco — adaptive_security_appliance

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.