CVE-2019-1844

Name: CVE-2019-1844
Creator: NVD / NIST
Published: 2019-05-03T17:29:01.173+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.70%

Last modified Jun 17, 2026

CVE-2019-1844 is a vulnerability of currently unknown severity. 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. EPSS estimates a 1.70% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

1.70%

74.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Cisco	Email Security Appliance	11.1.0-131

References

http://www.securityfocus.com/bid/108149Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-esa-bypassVendor Advisory
http://www.securityfocus.com/bid/108149Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-esa-bypassVendor Advisory

Timeline

Published: May 3, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-1844?

How severe is CVE-2019-1844?

Severity scoring for CVE-2019-1844 is pending analysis. The EPSS model estimates a 1.70% probability of exploitation in the next 30 days.

How do I fix CVE-2019-1844?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-1844?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST