VULNERABILITY INTELLIGENCE
CVE-2019-1844
CVSS score5.3 MEDIUM
EPSS probability1.70%
CISA KEVNot currently listed
Published2019-05-03
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Description
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.
Weakness classification
- CWE-20: Improper Input Validation
Primary references
- psirt@cisco.com — Third Party Advisory, VDB Entry
- psirt@cisco.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory