CVE-2021-38177

Name: CVE-2021-38177
Creator: NVD / NIST
Published: 2021-09-14T12:15:11.347+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 3.12%

Last modified Jun 17, 2026

CVE-2021-38177 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 3.12% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

3.12%

86.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
Sap	Commoncryptolib	<= 8.5.38

References

http://packetstormsecurity.com/files/165749/SAP-CommonCryptoLib-Null-Pointer-Dereference.htmlThird Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2022/Jan/74Mailing List, Mitigation, Third Party Advisory
https://launchpad.support.sap.com/#/notes/3051787Permissions Required
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=585106405Vendor Advisory
http://packetstormsecurity.com/files/165749/SAP-CommonCryptoLib-Null-Pointer-Dereference.htmlThird Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2022/Jan/74Mailing List, Mitigation, Third Party Advisory
https://launchpad.support.sap.com/#/notes/3051787Permissions Required
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=585106405Vendor Advisory

Timeline

Published: Sep 14, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-38177?

How severe is CVE-2021-38177?

CVE-2021-38177 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.12% probability of exploitation in the next 30 days.

How do I fix CVE-2021-38177?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-38177?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST