CVE Vulnerability

CVE-2019-1831

A vulnerability in the email message scanning of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass configured content filters on the device. The vulnerability is due to improper input validation of the email body. An attacker could exploit this vulnerability by inserting specific character strings in the message. A successful exploit could allow the attacker to bypass configured content filters that would normally drop the email.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

5.3 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190417-esa-filter-bypass Vendor Advisory
http://www.securityfocus.com/bid/108021 Third Party Advisory VDB Entry
Configurations

Configuration 1

cpe:2.3:a:cisco:email_security_appliance:11.1.2-023:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:12.0.0-208:*:*:*:*:*:*:*
Information

Published : 2019-04-18 02:29

Updated : 2019-10-09 11:48

NVD link : CVE-2019-1831

Mitre link : CVE-2019-1831

Products Affected
No products.
CWE
CWE-20