CVE-2022-20795 — Insufficient Verification of Data Authenticity in Cisco Adaptive Security Appliance
Severity
7.5HIGHNVD
CNA5.8
EPSS
0.4%
top 37.25%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedApr 21
Latest updateApr 22
Description
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…
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6
Affected Packages4 packages
🔴Vulnerability Details
2GHSA▶
GHSA-4cwx-r6vp-5886: A vulnerability in the implementation of the Datagram TLS (DTLS) protocol in Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Thre↗2022-04-22
CVEList▶
Cisco Adaptive Security Appliance and Cisco Firepower Threat Defense Software AnyConnect SSL VPN Denial of Service Vulnerability↗2022-04-21
📋Vendor Advisories
1Cisco▶
Cisco Adaptive Security Appliance and Cisco Firepower Threat Defense Software AnyConnect SSL VPN Denial of Service Vulnerability↗2022-04-20