A vulnerability in the email scanning algorithm of Cisco AsyncOS software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to perform a denial of service (DoS) attack against an affected device. This vulnerability is due to insufficient input validation of incoming emails. An attacker could exploit this vulnerability by sending a crafted email through Cisco ESA. A successful exploit could allow the attacker to exhaust all the available CPU resources on an affected device for an extended period of time, preventing other emails from being processed and resulting in a DoS condition.
History

Thu, 07 Nov 2024 22:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published: 2021-11-04T15:40:17.777881Z

Updated: 2024-11-07T21:44:52.277Z

Reserved: 2021-06-15T00:00:00

Link: CVE-2021-34741

cve-icon Vulnrichment

Updated: 2024-08-04T00:19:48.129Z

cve-icon NVD

Status : Modified

Published: 2021-11-04T16:15:08.660

Modified: 2024-11-21T06:11:05.927

Link: CVE-2021-34741

cve-icon Redhat

No data.