What it is about

Die Cisco Identity Services Engine (ISE) bietet eine attributbasierte Zugangs-Kontroll-Lösung. Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Cisco Identity Services Engine (ISE) und and Cisco ISE Passive Identity Connector (ISE-PIC) ausnutzen, um einen Cross-Site Scripting Angriff durchzuführen.

Under what conditions?

Over the network, but only with valid access (login required), for example with stolen credentials or as an insider.

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 Identity Services Engine (ISE) <3.2 Patch 8
• Cisco Identity Services Engine (ISE) <3.3 Patch 8
• Cisco Identity Services Engine (ISE) <3.4 Patch 4
• Cisco Identity Services Engine (ISE) PIC <3.2 Patch 8
• Cisco Identity Services Engine (ISE) PIC <3.3 Patch 8
• Cisco Identity Services Engine (ISE) PIC <3.4 Patch 4
• Cisco Identity Services Engine (ISE) <3.3 Patch 5
• Cisco Identity Services Engine (ISE) <3.4 Patch 1

The installed version is usually shown under “Help → About” or in the device’s admin interface.

What helps?

Update to at least:

• Cisco Identity Services Engine (ISE) 3.2 Patch 8
• Cisco Identity Services Engine (ISE) 3.3 Patch 8
• Cisco Identity Services Engine (ISE) 3.4 Patch 4
• Cisco Identity Services Engine (ISE) PIC 3.2 Patch 8
• Cisco Identity Services Engine (ISE) PIC 3.3 Patch 8
• Cisco Identity Services Engine (ISE) PIC 3.4 Patch 4
• Cisco Identity Services Engine (ISE) 3.3 Patch 5
• Cisco Identity Services Engine (ISE) 3.4 Patch 1

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.