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TI-2019-01499 Aliases CVE-2019-1877GHSA-mcq8-w4cg-w5v4

Cisco Enterprise Chat and Email Attachment Download Vulnerability

Priority LOW 32CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Information disclosure, Security bypass
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-200 and CWE-287.

Summary

A vulnerability in the HTTP API of Cisco Enterprise Chat and Email could allow an unauthenticated, remote attacker to download files attached through chat sessions. The vulnerability is due to insufficient authentication mechanisms on the file download function of the API. An attacker could exploit this vulnerability by sending a crafted request to the API. A successful exploit could allow the attacker to download files that other users attach through the chat feature. This vulnerability affects versions prior to 12.0(1)ES1.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01437 73rd percentileScored 2026-11-07
Fix Fixed Cisco Enterprise Chat and Email (Cisco): 12.0(1)ES1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
CiscoCisco Enterprise Chat and Emailbefore 12.0(1)ES112.0(1)ES1Patch availableCNA
  • Cisco Enterprise Chat and Email VendorCisco Affected before 12.0(1)ES1 Fixed in 12.0(1)ES1 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:cisco:enterprise_chat_and_email:11.6\(1\)es9:*:*:*:*:*:*:*11.6(1)es9VulnerableCisco
  • cpe:2.3:a:cisco:enterprise_chat_and_email:11.6\(1\)es9:*:*:*:*:*:*:* Versions 11.6(1)es9 Vulnerable ·Cisco

Remediation

  • Fix · CNA Cisco Enterprise Chat and Email (Cisco) Fixed in 12.0(1)ES1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-1877
  2. 2026-10-03 Alias added: GHSA-mcq8-w4cg-w5v4

References

Advisory 1

  • TI-2021-19919 Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints KEVCVSS 3.1CRITICAL 10.0
  • TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
  • TI-2025-14439 A vulnerability in chat messaging features of Cisco Enterprise Chat and Email (ECE) could… CVSS 3.1HIGH 7.5
  • TI-2024-13408 Cisco Enterprise Chat and Email Denial of Service Vulnerability CVSS 3.1HIGH 7.5
  • TI-2022-05192 Cisco Enterprise Chat and Email Username Enumeration Vulnerability CVSS 3.1MEDIUM 5.3
  • TI-2019-01492 Cisco Enterprise Chat and Email Cross-Site Scripting Vulnerability CVSS 3.0MEDIUM 6.1
See all 13 →

Sources

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