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Vulnerability record · CVE-2021-38177 · published 14 September 2021

CVE-2021-38177: Sap commoncryptolib null pointer dereference vulnerability

Sap · Commoncryptolib

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.

7.5 CVSS 3.1 High EPSS 3.2% · top 12.2% CWE-476 · NULL pointer dereference
7.5CVSS 3.1 base score, v2 5.0
3.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-40309Sap commoncryptolib incorrect authorization vulnerabilitySAP CommonCryptoLib does not perform necessary authentication checks, which may result in missing or wrong authorization checks for an authenticated …EPSS 0.88%7.5CVE-2023-40308Sap commoncryptolib out-of-bounds write vulnerabilitySAP CommonCryptoLib allows an unauthenticated attacker to craft a request, which when submitted to an open port causes a memory corruption error in a…EPSS 0.75%7.5CVE-2014-8587Sap commoncryptolib vulnerabilitySAPCRYPTOLIB before 5.555.38, SAPSECULIB, and CommonCryptoLib before 8.4.30, as used in SAP NetWeaver AS for ABAP and SAP HANA, allows remote attacke…EPSS 1.3%6.2CVE-2026-21525Windows Remote Access Connection Manager null pointer dereference DoSWindows Remote Access Connection Manager contains a null pointer dereference (CWE-476) that lets an unauthorized attacker deny service locally. The f…KEVEPSS 4.8%analysed

Source: NIST National Vulnerability Database (record CVE-2021-38177), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.