CVE-2019-0270 Missing authorization in ABAP Platform & Server (KERNEL)

High 8.8 Published Updated

Authenticated users can escalate privileges due to missing authorization checks in SAP NetWeaver ABAP Server and Platform.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2019-0270?

CVE-2019-0270 is a high-severity missing authorization vulnerability in SAP SE ABAP Platform & Server (KERNEL), published on 12 Mar 2019. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

ABAP Server of SAP NetWeaver and ABAP Platform fail to perform necessary authorization checks for an authenticated user, resulting in escalation of privileges. This has been corrected in the following versions: KRNL32NUC 7.21, 7.21EXT, 7.22, 7.22EXT, KRNL32UC 7.21, 7.21EXT, 7.22, 7.22EXT, KRNL64NUC 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49, 7.74, KRNL64UC 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49, 7.73, 7.74, 8.04, KERNEL 7.21, 7.45, 7.49, 7.53, 7.73, 7.74, 7.75, 8.04.

Weakness: CWE-862

Which versions are affected by CVE-2019-0270?

It affects 5 products.

Products include Sap Advanced Business Application Programming Platform Kernel, Sap Advanced Business Application Programming Platform Krnl32nuc, Sap Advanced Business Application Programming Platform Krnl32uc, Sap Advanced Business Application Programming Platform Krnl64nuc, Sap Advanced Business Application Programming Platform Krnl64uc.

How do I fix CVE-2019-0270?

No fix has been published for CVE-2019-0270 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-2019-0270 being exploited?

There is no known exploitation of CVE-2019-0270 in the wild and no public exploit code.

Sources

Also known as GHSA-p5w4-x3m3-939j.

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