CVE-2021-38177
SAP CommonCryptoLib Null Pointer Dereference
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.
INFO
Published Date :
Sept. 14, 2021, 12:15 p.m.
Last Modified :
Nov. 21, 2024, 6:16 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2021-38177 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-38177.
| URL | Resource |
|---|---|
| http://packetstormsecurity.com/files/165749/SAP-CommonCryptoLib-Null-Pointer-Dereference.html | Third Party Advisory VDB Entry |
| http://seclists.org/fulldisclosure/2022/Jan/74 | Mailing List Mitigation Third 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 Advisory VDB Entry |
| http://seclists.org/fulldisclosure/2022/Jan/74 | Mailing List Mitigation Third Party Advisory |
| https://launchpad.support.sap.com/#/notes/3051787 | Permissions Required |
| https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=585106405 | Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Onapsis Security Advisories. https://www.onapsis.com
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-38177 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-38177 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/165749/SAP-CommonCryptoLib-Null-Pointer-Dereference.html Added Reference http://seclists.org/fulldisclosure/2022/Jan/74 Added Reference https://launchpad.support.sap.com/#/notes/3051787 Added Reference https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=585106405 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Jan. 28, 2022
Action Type Old Value New Value Changed Reference Type http://packetstormsecurity.com/files/165749/SAP-CommonCryptoLib-Null-Pointer-Dereference.html No Types Assigned http://packetstormsecurity.com/files/165749/SAP-CommonCryptoLib-Null-Pointer-Dereference.html Third Party Advisory, VDB Entry Changed Reference Type http://seclists.org/fulldisclosure/2022/Jan/74 No Types Assigned http://seclists.org/fulldisclosure/2022/Jan/74 Mailing List, Mitigation, Third Party Advisory -
CVE Modified by [email protected]
Jan. 27, 2022
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/165749/SAP-CommonCryptoLib-Null-Pointer-Dereference.html [No Types Assigned] -
CVE Modified by [email protected]
Jan. 26, 2022
Action Type Old Value New Value Added Reference http://seclists.org/fulldisclosure/2022/Jan/74 [No Types Assigned] -
Initial Analysis by [email protected]
Sep. 24, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://launchpad.support.sap.com/#/notes/3051787 No Types Assigned https://launchpad.support.sap.com/#/notes/3051787 Permissions Required Changed Reference Type https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=585106405 No Types Assigned https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=585106405 Vendor Advisory Added CWE NIST CWE-476 Added CPE Configuration OR *cpe:2.3:a:sap:commoncryptolib:*:*:*:*:*:*:*:* versions up to (including) 8.5.38
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-38177 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-38177
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
4.05 }} 1.55%
score
0.92003
percentile