Deserialization of Untrusted Data in Cisco Unified Contact Center Express Editor

1) Deserialization of Untrusted Data

EUVDB-ID: #VU110214

Risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2025-20275

CWE-ID: CWE-502 - Deserialization of Untrusted Data

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data in the file opening process. A remote attacker can trick a victim to open a specially crafted .aef file and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco Unified Contact Center Express (Unified CCX) Editor: - - 15.0

CPE2.3

• cpe:2.3:a:cisco_systems:cisco_unified_contact_center_express_unified_ccx_editor:*:*:*:*:*:*:*:*
• cpe:2.3:a:cisco_systems:cisco_unified_contact_center_express_unified_ccx_editor:15.0:*:*:*:*:*:*:*

External links

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-uccx-editor-rce-ezyYZte8

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.