CVE-2020-27124

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.

Reserved 2020-10-13 | Published 2024-11-18 | Updated 2024-11-18 | Assigner cisco

Problem types

Use of Uninitialized Variable

Product status

Any version
affected

References

sec.cloudapps.cisco.com/...ory/cisco-sa-asa-ssl-dos-7uZWwSEy (cisco-sa-asa-ssl-dos-7uZWwSEy)

sec.cloudapps.cisco.com/...sco-sa-sa-rv-routers-xss-K7Z5U6q3

sec.cloudapps.cisco.com/...visory/cisco-sa-cucm-xss-bLZw4Ctq

cve.org (CVE-2020-27124)

nvd.nist.gov (CVE-2020-27124)

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