Denial of Service Vulnerability in Cisco Enterprise Chat and Email
CVE-2025-20139

7.5HIGH

Key Information:

Vendor

Cisco
Status
Cisco Enterprise Chat And Email
Vendor
CVE Published:
2 April 2025

Badges

👾 Exploit Exists

What is CVE-2025-20139?

A vulnerability exists in the chat messaging features of Cisco Enterprise Chat and Email (ECE) that could allow an unauthenticated remote attacker to exploit system weaknesses. This vulnerability arises from improper validation of user input in chat entry points. An attacker could send malicious requests to the messaging application, leading to a denial of service (DoS) condition. If successfully exploited, this could cause the application to become unresponsive, requiring manual intervention by an administrator to restore proper functionality.

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Affected Version(s)

Cisco Enterprise Chat and Email 11.5(1)

Cisco Enterprise Chat and Email 11.6(1)

Cisco Enterprise Chat and Email 11.6(1)_ES2

References

https://sec.cloudapps.cisco.com/security/center/content/C...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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