Cisco Catalyst SD-WAN Manager: Schwachstelle ermöglicht Privilegieneskalation
WID-SEC-2026-1788 · first 05.06.2026 · updated 05.06.2026 · CVSS 7,8
What it is about
Cisco Catalyst SD-WAN ist eine Netzwerklösung, die Software-definierte Wide-Area-Networking-Funktionen (SD-WAN) mit Cisco Catalyst Series Switches kombiniert, um die Netzwerkleistung an verteilten Standorten zu optimieren und zu sichern. Ein lokaler Angreifer kann eine Schwachstelle in Cisco Catalyst SD-WAN Manager ausnutzen, um seine Privilegien zu erhöhen.
Under what conditions?
Only with access to the device or an account on it. Often the second step after a phishing email.
What can happen in the worst case
An attacker could use the vulnerability to
- seine Privilegien zu erhöhen
Am I affected?
Affected according to the BSI:
- Cisco Catalyst SD-WAN Manager
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
According to the BSI there is no update yet. The vendor notices below name interim protective measures, if any.
Is the vulnerability already being exploited?
- CVE-2026-20245: exploited in the wild according to CISA, in the catalogue since 09.06.2026.
Information and sources
- Original BSI advisory (WID)
- Cisco Security Advisory cisco-sa-sdwan-privesc-4uxFrdzx vom 2026-06-04 sec.cloudapps.cisco.com
CVE: CVE-2026-20245
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.