Cisco Finesse, Unified Intelligence Center, Unified CCX: Mehrere Schwachstellen ermöglichen Cross-Site Scripting
WID-SEC-2026-0699 · first 12.03.2026 · updated 12.03.2026 · CVSS 6,1
What it is about
Cisco Finesse integriert traditionelle Contact-Center-Funktionen web-basiert in einen Thin-Client-Desktop. Cisco Unified Intelligence Center ist eine webbasierte Berichtsanwendung für Contact Center. Cisco Unified Contact Center Express (UCCX) ist die Kontaktverwaltung für Cisco Unified Communications. Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Cisco Finesse, Cisco Unified Intelligence Center und Cisco Unified Contact Center Express (UCCX) ausnutzen, um einen Cross-Site Scripting Angriff durchzuführen.
Under what conditions?
Over the network and without logging in. This is the most dangerous combination: attackers can scan reachable devices automatically.
What can happen in the worst case
An attacker could use the vulnerability to
- einen Cross-Site Scripting Angriff durchzuführen
Am I affected?
Affected according to the BSI:
- Cisco Finesse <15.0(1)ES202511
- Cisco Unified Intelligence Center <15.0(1)ES202511
- Cisco Unified Contact Center Express (UCCX) <15.0 ES0
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Cisco Finesse 15.0(1)ES202511
- Cisco Unified Intelligence Center 15.0(1)ES202511
- Cisco Unified Contact Center Express (UCCX) 15.0 ES0
Is the vulnerability already being exploited?
None of the CVEs is in the CISA catalogue of exploited vulnerabilities. That does not mean there are no attacks, only that none are documented.
Information and sources
- Original BSI advisory (WID)
- Cisco Security Advisory vom 2026-03-11 sec.cloudapps.cisco.com
CVE: CVE-2026-20116, CVE-2026-20117
Source: BSI warning and information service (CERT-Bund); CISA. The assessment of the conditions is my reading of the BSI text; the external pages are in their original language.