Use of Uninitialized Variable in Cisco Adaptive Security Appliance (ASA) - CVE-2020-27124
Published: October 27, 2020
Vulnerability identifier: #VU47938
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-27124
CWE-ID: CWE-457
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco Adaptive Security Appliance (ASA)
Cisco Adaptive Security Appliance (ASA)
Detailed vulnerability description
The vulnerabilities allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling on established SSL/TLS connections. A remote attacker can send a malicious SSL/TLS message and cause a denial of service condition on the target system.
How to mitigate CVE-2020-27124
Install updates from vendor's website.