Cisco Identity Services Engine (ISE): Mehrere Schwachstellen ermöglichen Offenlegung von Informationen
WID-SEC-2026-1391 · first 07.05.2026 · updated 07.05.2026 · CVSS 5,3
What it is about
Die Cisco Identity Services Engine (ISE) bietet eine attributbasierte Zugangs-Kontroll-Lösung. Ein Angreifer kann mehrere Schwachstellen in Cisco Identity Services Engine (ISE) ausnutzen, um Informationen offenzulegen.
Under what conditions?
The BSI does not name any particular preconditions. Exploitable remotely according to the BSI.
What can happen in the worst case
An attacker could use the vulnerability to
- Informationen offenzulegen
Am I affected?
Affected according to the BSI:
- Cisco Identity Services Engine (ISE) <3.3 Patch 11
- Cisco Identity Services Engine (ISE) <3.4 Patch 6
- Cisco Identity Services Engine (ISE) <3.5 Patch 3
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 11
- Cisco Identity Services Engine (ISE) 3.4 Patch 6
- Cisco Identity Services Engine (ISE) 3.5 Patch 3
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 cisco-sa-ise-unauth-bypass-uxjRXGpb vom 2026-05-06 sec.cloudapps.cisco.com
CVE: CVE-2026-20193, CVE-2026-20195
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.