CVE-2021-38177

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.

References

Link	Tags
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=585106405	vendor advisory
https://launchpad.support.sap.com/#/notes/3051787	permissions required
http://seclists.org/fulldisclosure/2022/Jan/74	mailing list mitigation third party advisory
http://packetstormsecurity.com/files/165749/SAP-CommonCryptoLib-Null-Pointer-Dereference.html	third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2021-38177?: CVE-2021-38177 has been scored as a high severity vulnerability.
How to fix CVE-2021-38177?: To fix CVE-2021-38177, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-38177 being actively exploited in the wild?: It is possible that CVE-2021-38177 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-38177?: CVE-2021-38177 affects SAP SE SAP CommonCryptoLib.

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Description

Category

CWE-476 – NULL Pointer Dereference

References

Frequently Asked Questions