CVE-2022-27668 Missing authorization in SAP NetWeaver and ABAP Platform

Critical 9.8 Published 14 Jun 2022 Updated 3 Aug 2024

Unauthenticated attackers can execute SAProuter administration commands, such as stopping the service, causing denial of service if route permissions are misconfigured.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-27668?

CVE-2022-27668 is a critical missing authorization vulnerability in SAP NetWeaver and ABAP Platform, published on 14 Jun 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Depending on the configuration of the route permission table in file 'saprouttab', it is possible for an unauthenticated attacker to execute SAProuter administration commands in SAP NetWeaver and ABAP Platform - versions KERNEL 7.49, 7.77, 7.81, 7.85, 7.86, 7.87, 7.88, KRNL64NUC 7.49, KRNL64UC 7.49, SAP_ROUTER 7.53, 7.22, from a remote client, for example stopping the SAProuter, that could highly impact systems availability.

Weakness: CWE-863

Which versions are affected by CVE-2022-27668?

It affects 4 products.

Products include Sap Netweaver as Abap, Sap Netweaver as Abap Krnl64nuc, Sap Netweaver as Abap Krnl64uc, Sap Router.

How do I fix CVE-2022-27668?

No fix has been published for CVE-2022-27668 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2022-27668 being exploited?

There is no known exploitation of CVE-2022-27668 in the wild and no public exploit code.

Sources

Also known as GHSA-9xfm-7rcv-qrx6.