CVE-2019-1844 Cisco Email Security Appliance Filter Bypass Vulnerability

2019-05-0100:00:00

CWE-20

cisco

www.cve.org

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

5.2 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

45.2%

JSON

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.

CNA Affected

[
  {
    "product": "Cisco Email Security Appliance (ESA) ",
    "vendor": "Cisco",
    "versions": [
      {
        "lessThan": "11.1.1-030",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]