CVE-2021-38177 Null dereference in SAP CommonCryptoLib

High 7.5 Published 14 Sep 2021 Updated 4 Aug 2024

An unauthenticated attacker can crash the SAP application by sending crafted HTTP requests, causing a denial of service.

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-2021-38177?

CVE-2021-38177 is a high-severity vulnerability in SAP CommonCryptoLib, published on 14 Sep 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

SAP CommonCryptoLib version 8.5.38 or lower is vulnerable to null pointer dereference vulnerability when an unauthenticated attacker sends crafted malicious data in the HTTP requests over the network, this causes the SAP application to crash and has high impact on the availability of the SAP system.

Weakness: CWE-476

Which versions are affected by CVE-2021-38177?

It affects 1 product.

Products include Sap Commoncryptolib.

How do I fix CVE-2021-38177?

No fix has been published for CVE-2021-38177 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-38177 being exploited?

There is no known exploitation of CVE-2021-38177 in the wild and no public exploit code.

Sources

Also known as GHSA-4m93-727g-c564.