What it is about

NGINX ist eine Webserver-, Reverse Proxy- und E-Mail-Proxy Software. NGINX Plus ist die kommerzielle Variante von NGINX, einer Webserver-, Reverse Proxy- und E-Mail Proxy Software. Ein Angreifer kann mehrere Schwachstellen in NGINX und NGINX NGINX Plus ausnutzen, um Daten zu manipulieren, beliebigen Code auszuführen, vertrauliche Informationen offenzulegen oder einen Denial-of-Service-Zustand auszulösen.

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

• Daten zu manipulieren
• beliebigen Code auszuführen
• vertrauliche Informationen offenzulegen oder einen Denial-of-Service-Zustand auszulösen

Am I affected?

Affected according to the BSI:

• Debian Linux
• Amazon Linux 2
• Red Hat Enterprise Linux
• RESF Rocky Linux
• Gentoo Linux
• SUSE Linux
• NGINX NGINX Open Source <1.31.2
• NGINX NGINX Instance Manager
• NGINX NGINX Gateway Fabric <2.6.4
• NGINX NGINX Ingress Controller
• NGINX NGINX Plus <37.0.2.1
• NGINX NGINX Plus <R36 P6

and 5 more

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

What helps?

Update to at least:

• NGINX NGINX Open Source 1.31.2
• NGINX NGINX Gateway Fabric 2.6.4
• NGINX NGINX Plus 37.0.2.1
• NGINX NGINX Plus R36 P6
• NGINX NGINX Open Source 1.30.3

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.