Vulnerability Database

328,409

Total vulnerabilities in the database

CVE-2025-20275

A vulnerability in the file opening process of Cisco Unified Contact Center Express (Unified CCX) Editor could allow an unauthenticated attacker to execute arbitrary code on an affected device. 

This vulnerability is due to insecure deserialization of Java objects by the affected software. An attacker could exploit this vulnerability by persuading an authenticated, local user to open a crafted .aef file. A successful exploit could allow the attacker to execute arbitrary code on the host that is running the editor application with the privileges of the user who launched it.

  • Published: Jun 4, 2025
  • Updated: Nov 16, 2025
  • CVE: CVE-2025-20275
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 5.3
  • AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Software From Fixed in
cisco / unified_contact_center_express 10.5(1) 10.5(1).x
cisco / unified_contact_center_express 10.6(1) 10.6(1).x
cisco / unified_contact_center_express 12.5(1) 12.5(1).x
cisco / unified_contact_center_express 12.0(1) 12.0(1).x
cisco / unified_contact_center_express 11.6(1) 11.6(1).x
cisco / unified_contact_center_express 11.6(2) 11.6(2).x
cisco / unified_contact_center_express 10.5(1)su1 10.5(1)su1.x
cisco / unified_contact_center_express 10.6(1)su3 10.6(1)su3.x
cisco / unified_contact_center_express 10.0(1)su1 10.0(1)su1.x
cisco / unified_contact_center_express 10.6(1)su1 10.6(1)su1.x
cisco / unified_contact_center_express 11.0(1)su1 11.0(1)su1.x
cisco / unified_contact_center_express 10.6(1)su3es03 10.6(1)su3es03.x
cisco / unified_contact_center_express 10.6(1)su3es01 10.6(1)su3es01.x
cisco / unified_contact_center_express 10.5(1)su1es10 10.5(1)su1es10.x
cisco / unified_contact_center_express 10.0(1)su1es04 10.0(1)su1es04.x
cisco / unified_contact_center_express 10.6(1)su2 10.6(1)su2.x
cisco / unified_contact_center_express 10.6(1)su2es04 10.6(1)su2es04.x
cisco / unified_contact_center_express 10.6(1)su3es02 10.6(1)su3es02.x
cisco / unified_contact_center_express 11.5(1)su1 11.5(1)su1.x
cisco / unified_contact_center_express 12.5(1)_su01_es02 12.5(1)_su01_es02.x
cisco / unified_contact_center_express 12.5(1)_su01_es03 12.5(1)_su01_es03.x
cisco / unified_contact_center_express 11.6(2)es07 11.6(2)es07.x
cisco / unified_contact_center_express 11.6(2)es08 11.6(2)es08.x
cisco / unified_contact_center_express 12.5(1)_su01_es01 12.5(1)_su01_es01.x
cisco / unified_contact_center_express 12.0(1)es04 12.0(1)es04.x
cisco / unified_contact_center_express 11.6(2)es06 11.6(2)es06.x
cisco / unified_contact_center_express 12.0(1)es03 12.0(1)es03.x
cisco / unified_contact_center_express 12.0(1)es01 12.0(1)es01.x
cisco / unified_contact_center_express 11.6(2)es05 11.6(2)es05.x
cisco / unified_contact_center_express 12.0(1)es02 12.0(1)es02.x
cisco / unified_contact_center_express 11.6(2)es04 11.6(2)es04.x
cisco / unified_contact_center_express 11.6(2)es03 11.6(2)es03.x
cisco / unified_contact_center_express 11.6(2)es02 11.6(2)es02.x
cisco / unified_contact_center_express 11.6(2)es01 11.6(2)es01.x
cisco / unified_contact_center_express 11.0(1)su1es03 11.0(1)su1es03.x
cisco / unified_contact_center_express 11.5(1)su1es03 11.5(1)su1es03.x
cisco / unified_contact_center_express 11.6(1)es02 11.6(1)es02.x
cisco / unified_contact_center_express 11.5(1)es01 11.5(1)es01.x
cisco / unified_contact_center_express 11.6(1)es01 11.6(1)es01.x
cisco / unified_contact_center_express 11.5(1)su1es02 11.5(1)su1es02.x
cisco / unified_contact_center_express 11.5(1)su1es01 11.5(1)su1es01.x
cisco / unified_contact_center_express 11.0(1)su1es02 11.0(1)su1es02.x
cisco / unified_contact_center_express 12.5(1)su1 12.5(1)su1.x
cisco / unified_contact_center_express 12.5(1)su2 12.5(1)su2.x
cisco / unified_contact_center_express 12.5(1)su3 12.5(1)su3.x
cisco / unified_contact_center_express 12.5(1)_su03_es01 12.5(1)_su03_es01.x
cisco / unified_contact_center_express 12.5(1)_su03_es02 12.5(1)_su03_es02.x
cisco / unified_contact_center_express 12.5(1)_su02_es03 12.5(1)_su02_es03.x
cisco / unified_contact_center_express 12.5(1)_su02_es04 12.5(1)_su02_es04.x
cisco / unified_contact_center_express 12.5(1)_su02_es02 12.5(1)_su02_es02.x
cisco / unified_contact_center_express 12.5(1)_su02_es01 12.5(1)_su02_es01.x
cisco / unified_contact_center_express 12.5(1)es02 12.5(1)es02.x
cisco / unified_contact_center_express 12.5(1)es03 12.5(1)es03.x
cisco / unified_contact_center_express 12.5(1)es01 12.5(1)es01.x
cisco / unified_contact_center_express 9.0(2)su3es04 9.0(2)su3es04.x
cisco / unified_contact_center_express 8.5(1) 8.5(1).x
cisco / unified_contact_center_express 12.5(1)_su03_es03 12.5(1)_su03_es03.x
cisco / unified_contact_center_express 12.5(1)_su03_es04 12.5(1)_su03_es04.x
cisco / unified_contact_center_express 12.5(1)_su03_es05 12.5(1)_su03_es05.x
cisco / unified_contact_center_express 12.5(1)_su03_es06 12.5(1)_su03_es06.x

Frequently Asked Questions

A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.

CVSS (Common Vulnerability Scoring System) estimates technical severity, but it doesn't automatically equal business risk. Prioritize using context like internet exposure, affected asset criticality, known exploitation (proof-of-concept or in-the-wild), and whether compensating controls exist. A "Medium" CVSS on an exposed, production system can be more urgent than a "Critical" on an isolated, non-production host.

A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. In practice, risk increases sharply when exploitation becomes reliable or widespread.

Recurring findings usually come from incomplete Asset Discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host. Unknown or unmanaged assets (often called Shadow IT) are a common reason the same issues resurface.

Use a simple, repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress using consistent metrics so remediation is steady, not reactive.

SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.