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 entfernter, anonymer Angreifer kann eine Schwachstelle in NGINX und NGINX NGINX Plus ausnutzen, um Informationen offenzulegen.

Under what conditions?

Over the network and without logging in. This is the most dangerous combination: attackers can scan reachable devices automatically.

What can happen in the worst case

An attacker could use the vulnerability to

• Informationen offenzulegen

Am I affected?

Affected according to the BSI:

• Debian Linux
• Amazon Linux 2
• Fedora Linux
• Ubuntu Linux
• SUSE Linux
• SUSE openSUSE
• Gentoo Linux
• NGINX NGINX 0.7 <1.29.1
• NGINX NGINX Plus R30
• NGINX NGINX Plus R31
• NGINX NGINX Plus R33 <R33 P3
• NGINX NGINX Plus R32 <R32 P3

and 1 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 0.7 1.29.1
• NGINX NGINX Plus R33 R33 P3
• NGINX NGINX Plus R32 R32 P3
• NGINX NGINX Plus R34 R34 P2

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.