Threat landscape
medium

Cisco Mehrere Produkte: Mehrere Schwachstellen

WID-SEC-2025-2312 · first 16.10.2025 · updated 13.02.2026 · CVSS 6,5

×

What it is about

Cisco Secure Firewall Threat Defense ist eine Sicherheitslösung, die Funktionen wie Firewall, Intrusion Prevention und erweiterten Malware-Schutz in einer einzigen Appliance integriert. Cisco Internetwork Operating System (IOS) ist ein Betriebssystem, das für Cisco Geräte wie z. B. Router und Switches eingesetzt wird. Die Cisco Meraki MX-Serie sind cloudverwaltete Sicherheits- und SD-WAN-Appliances Snort ist ein freies Network Intrusion Prevention System (NIPS) und ein Network Intrusion Detection System (NIDS) der Firma Sourcefire. Ein Angreifer kann mehrere Schwachstellen in Cisco Secure Firewall Threat Defense, Cisco IOS XE, Cisco Meraki MX und Snort ausnutzen, um einen Denial of Service Angriff durchzuführen, und 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

  • einen Denial of Service Angriff durchzuführen
  • Informationen offenzulegen

Am I affected?

Affected according to the BSI:

  • Cisco Secure Firewall Threat Defense
  • Cisco IOS XE
  • Cisco Meraki MX
  • Open Source Snort <3.9.3.0

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

What helps?

Update to at least:

  • Open Source Snort 3.9.3.0

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-2025-20359, CVE-2025-20360

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.

Set up in an hour, trained in a week.

Create a free account, add your team, unlock the course. You only pay when you start. Would you rather see what a test email looks like first? The self-test is free.

Add your team Test it yourself first