What it is about

Die Cisco Identity Services Engine (ISE) bietet eine attributbasierte Zugangs-Kontroll-Lösung. Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Cisco Identity Services Engine (ISE) ausnutzen, um Dateien zu manipulieren.

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

• Dateien zu manipulieren

Am I affected?

Affected according to the BSI:

• Cisco Identity Services Engine (ISE) <3.3 Patch 12
• Cisco Identity Services Engine (ISE) <3.4 Patch 7
• Cisco Identity Services Engine (ISE) <3.5 Patch 4
• Cisco Identity Services Engine (ISE) <3.4 Patch 6 HotPatch CSCwu05826
• Cisco Identity Services Engine (ISE) <3.5 Patch 3 HotPatch CSCwu05826

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) 3.3 Patch 12
• Cisco Identity Services Engine (ISE) 3.4 Patch 7
• Cisco Identity Services Engine (ISE) 3.5 Patch 4
• Cisco Identity Services Engine (ISE) 3.4 Patch 6 HotPatch CSCwu05826
• Cisco Identity Services Engine (ISE) 3.5 Patch 3 HotPatch CSCwu05826

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.