CVE-2025-20139 — Incorrect Regular Expression in Cisco Enterprise Chat AND Email

CWE-185 — Incorrect Regular Expression4 documents4 sources
Severity
7.5HIGHNVD
EPSS
0.3%
top 47.11%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Cisco Enterprise Chat AND EmailCisco Enterprise Chat AND Email
Timeline
PublishedApr 2

Description

A vulnerability in chat messaging features of Cisco Enterprise Chat and Email (ECE) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. This vulnerability is due to improper validation of user-supplied input to chat entry points. An attacker could exploit this vulnerability by sending malicious requests to a messaging chat entry point in the affected application. A successful exploit could allow the attacker to cause the application to stop responding, r…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

▶NVDcisco/enterprise_chat_and_email< 12.6\(1\)es10
▶CVEListV5cisco/cisco_enterprise_chat_and_email86 versions+85

🔴Vulnerability Details

2
GHSA
GHSA-rx2w-x63r-4r67: A vulnerability in chat messaging features of Cisco Enterprise Chat and Email (ECE) could allow an unauthenticated, remote attacker to cause a denial↗2025-04-02
▶
CVEList
CVE-2025-20139: A vulnerability in chat messaging features of Cisco Enterprise Chat and Email (ECE) could allow an unauthenticated, remote attacker to cause a denial↗2025-04-02
▶

📋Vendor Advisories

1
Cisco
Cisco Enterprise Chat and Email Denial of Service Vulnerability↗2025-04-02
▶
CVE-2025-20139 — Incorrect Regular Expression in Cisco | cvebase