TI-2019-01467 Aliases CVE-2019-1844 GHSA-gpfw-gg76-25px

Cisco Email Security Appliance Filter Bypass Vulnerability

LOW 33CWE-20Published 2019-05-03 · Updated 2024-11-19

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: None · Low · None
Fix status: Fixed

Attack profile from CVSS 3.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.01696 77th percentileScored 2026-11-07

Fix Fixed Cisco Email Security Appliance (ESA) (Cisco): 11.1.1-030

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Cisco	Cisco Email Security Appliance (ESA)	before 11.1.1-030	11.1.1-030	Patch available	CNA

Cisco Email Security Appliance (ESA) VendorCisco Affected before 11.1.1-030 Fixed in 11.1.1-030 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:cisco:email_security_appliance:11.1.0-131:::::::*	11.1.0-131	Vulnerable	Cisco

cpe:2.3:a:cisco:email_security_appliance:11.1.0-131:*:*:*:*:*:*:* Versions 11.1.0-131 Vulnerable ·Cisco

Remediation

Fix · CNA Cisco Email Security Appliance (ESA) (Cisco) Fixed in 11.1.1-030

Timeline

2026-10-02 Threatist record created from CVE-2019-1844
2026-10-03 Alias added: GHSA-gpfw-gg76-25px

References

Advisory 1

20190501 Cisco Email Security Appliance Filter Bypass Vulnerability

TI-2022-05357 Cisco Email Security Appliance and Cisco Secure Email and Web Manager External Authentication Bypass Vulnerability CVSS 3.1CRITICAL 9.8
TI-2019-01567 Cisco Email Security Appliance Denial of Service Vulnerability CVSS 3.1HIGH 8.6
TI-2018-00378 Improper input validation in Cisco Email Security Appliance CVSS 3.0HIGH 7.5
TI-2020-02695 Cisco Email Security Appliance Content Filter Bypass Vulnerability CVSS 3.1HIGH 7.5
TI-2019-01541 Cisco Email Security Appliance Content Filter Bypass Vulnerability CVSS 3.0HIGH 7.5
TI-2019-01553 Cisco Email Security Appliance Content Filter Bypass Vulnerability CVSS 3.0HIGH 7.4

See all 49 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences