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Cisco Email Security Appliance Filter Bypass Vulnerability

cisco-sa-20190501-esa-bypass · Medium · Published · Updated

A vulnerability in certain attachment detection mechanisms of the Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass the filtering functionality of an affected device. The vulnerability is due to improper detection of certain content sent to an affected device. An attacker could exploit this vulnerability by sending certain file types without Content-Disposition information to an affected device. A successful exploit could allow an attacker to send messages that contain malicious content to users. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-esa-bypass

Cisco advisory ·CSAF JSON

Workarounds

There are no workarounds that address this vulnerability.

CVEsCVE-2019-1844
Cisco Bug IDsCSCvm36810
CVSS ScoreBase 5.3
Base 5.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:X/RL:X/RC:X
Product Names From Source
Cisco Email Security Appliance (ESA), Cisco Secure Email

Related Products

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Cisco Nexus Dashboard CVE-2019-1844 Cisco OpenVuln
Cisco Meraki MS Series Switches CVE-2019-1844 Cisco OpenVuln
Cisco Secure Email CVE-2019-1844 Cisco OpenVuln
Cisco Email Security Appliance (ESA) CVE-2019-1844 Cisco OpenVuln