CVE-2020-27124
Cisco Adaptive Security Appliance Software SSL/TLS Denial of Service Vulnerability
- State
- Published
- Severity
- 8.6 High
- Published
- Nov 18, 2024
- Updated
- Nov 18, 2024
- Reserved
- Oct 13, 2020
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 8.6 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/RL:X/RC:X/E:X | cisco |
Weaknesses
- CWE-457 Use of Uninitialized Variable
Affected Products
| Product | Versions |
|---|---|
Cisco Adaptive Security Appliance (ASA) SoftwareCisco |
|
References
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