CVE-2020-27124

published 2024-11-18

CVE-2020-27124: A vulnerability in the SSL/TLS handler of Cisco Adaptive Security Appliance (ASA) Software could allow an unauthenticated, remote attacker to cause the…

Priority P3 49 high 8.6 CVSS 3.1

AV N AC L PR N UI N S C C N I N A H

A vulnerability in the SSL/TLS handler of Cisco Adaptive Security Appliance (ASA) Software could allow an unauthenticated, remote attacker to cause the affected device to reload unexpectedly, leading to a denial of service (DoS) condition.
The vulnerability is due to improper error handling on established SSL/TLS connections. An attacker could exploit this vulnerability by establishing an SSL/TLS connection with the affected device and then sending a malicious SSL/TLS message within that connection. A successful exploit could allow the attacker to cause the device to reload.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

Affected

5 ranges

Vendor	Product	Version range	Fixed in
cisco	adaptive_security_appliance	—	—
cisco	adaptive_security_appliance_software	—	—
cisco	adaptive_security_appliance_software	—	—
cisco	adaptive_security_appliance_software	—	—
cisco	cisco_adaptive_security_appliance_software	—	—

CVSS provenance

nvd v3.1 8.6 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

vendor_cisco 8.6 HIGH

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