Threat landscape
high

Cisco Evolved Programmable Network Manager: Schwachstelle ermöglicht Offenlegung von Informationen

WID-SEC-2026-0951 · first 02.04.2026 · updated 02.04.2026 · CVSS 8,0

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What it is about

Der Cisco Evolved Programmable Network (EPN) Manager ist eine All-in-One-Managementlösung für die Konvergenz von paketorientierten und optischen Netzwerken. Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Cisco Evolved Programmable Network Manager ausnutzen, um Informationen offenzulegen.

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

  • Informationen offenzulegen

Am I affected?

Affected according to the BSI:

  • Cisco Evolved Programmable Network Manager <8.1.2

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

What helps?

Update to at least:

  • Cisco Evolved Programmable Network Manager 8.1.2

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

CVE: CVE-2026-20155

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.

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