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CVE-2025-20354 Cisco Unified Contact Center Express

Affected softwareCisco Unified Contact Center Express
Severity9.8 Critical CVSS 3.1
WeaknessUnrestricted file upload (CWE-434)
Published5 Nov 2025
Updated18 Oct 2026

Description

A vulnerability in the Java Remote Method Invocation (RMI) process of Cisco Unified CCX could allow an unauthenticated, remote attacker to upload arbitrary files and execute arbitrary commands with root permissions on an affected system. This vulnerability is due to improper authentication mechanisms that are associated to specific Cisco Unified CCX features. An attacker could exploit this vulnerability by uploading a crafted file to an affected system through the Java RMI process. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system and elevate privileges to root.

Exploitation status

No public exploit

No exploit has been reported in the sources we check. Published a year ago.

  • CISA KEV not listed
  • VulnCheck KEV not listed
  • CISA Vulnrichment exploitation: none
  • Indexed PoC none indexed
  • EPSS 0.87% chance in 30 days

Waratek protection

Outside Waratek scope

A Java vulnerability, but not one Waratek protects. It affects only Java on a user's desktop (applets, Web Start, JavaFX, the installer), sits in a product the Waratek agent can't be installed into, or is in a package we don't expect in business applications. The decision below says which.

  • Protection none
  • Action not pursued none
  • Review automated Upstream data
  • Record active
Decided by The only affected product being a sealed appliance image, where Java runs but no -javaagent can be attached
Finding This CVE names only products the Waratek agent cannot be installed into (cisco/unified_contact_center_express). They ship as sealed appliance images or as native code with no application JVM, so there is no start-up line to add -javaagent to. The vulnerability may well be a Java one; it is permanently out of ARMR's reach rather than outside its subject.

Affected software and releases

Products and versions

1 product, 2 version entries
SourceVendorProductSchemeAffected versions
nvd cisco unified contact center express generic < 12.5.1.3.7 · 15.0

References

URLTags
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cc-unauth-rce-QeN8h7mQ Vendor Advisory

Timeline

Published2025-11-05By the CVE Program.
NVD record modified2026-10-18NVD's own last-modified date for this record.