CVE-2021-38162
SAP Web Dispatcher Denial of Service and Command Execution
Description
SAP Web Dispatcher versions - 7.49, 7.53, 7.77, 7.81, KRNL64NUC - 7.22, 7.22EXT, 7.49, KRNL64UC -7.22, 7.22EXT, 7.49, 7.53, KERNEL - 7.22, 7.49, 7.53, 7.77, 7.81, 7.83 processes allow an unauthenticated attacker to submit a malicious crafted request over a network to a front-end server which may, over several attempts, result in a back-end server confusing the boundaries of malicious and legitimate messages. This can result in the back-end server executing a malicious payload which can be used to read or modify any information on the server or consume server resources making it temporarily unavailable.
INFO
Published Date :
Sept. 14, 2021, 12:15 p.m.
Last Modified :
July 10, 2023, 6:15 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.5
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2021-38162 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-2021-38162.
| URL | Resource |
|---|---|
| http://packetstormsecurity.com/files/166964/SAP-Web-Dispatcher-HTTP-Request-Smuggling.html | Exploit Third Party Advisory VDB Entry |
| http://seclists.org/fulldisclosure/2022/May/3 | Exploit Mailing List Third Party Advisory |
| https://launchpad.support.sap.com/#/notes/3080567 | 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-2021-38162 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-38162 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 [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Jul. 10, 2023
Action Type Old Value New Value Removed CVSS V3 SAP SE AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L Added CVSS V3.1 SAP SE AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L -
Modified Analysis by [email protected]
Oct. 06, 2022
Action Type Old Value New Value Changed Reference Type http://packetstormsecurity.com/files/166964/SAP-Web-Dispatcher-HTTP-Request-Smuggling.html No Types Assigned http://packetstormsecurity.com/files/166964/SAP-Web-Dispatcher-HTTP-Request-Smuggling.html Exploit, Third Party Advisory, VDB Entry Changed Reference Type http://seclists.org/fulldisclosure/2022/May/3 No Types Assigned http://seclists.org/fulldisclosure/2022/May/3 Exploit, Mailing List, Third Party Advisory -
CVE Modified by [email protected]
May. 05, 2022
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/166964/SAP-Web-Dispatcher-HTTP-Request-Smuggling.html [No Types Assigned] -
CVE Modified by [email protected]
May. 04, 2022
Action Type Old Value New Value Added Reference http://seclists.org/fulldisclosure/2022/May/3 [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:P/I:P/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L Changed Reference Type https://launchpad.support.sap.com/#/notes/3080567 No Types Assigned https://launchpad.support.sap.com/#/notes/3080567 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-444 Added CPE Configuration OR *cpe:2.3:a:sap:web_dispatcher:7.22ext:*:*:*:*:*:*:* *cpe:2.3:a:sap:web_dispatcher:7.49:*:*:*:*:*:*:* *cpe:2.3:a:sap:web_dispatcher:7.53:*:*:*:*:*:*:* *cpe:2.3:a:sap:web_dispatcher:7.77:*:*:*:*:*:*:* *cpe:2.3:a:sap:web_dispatcher:7.81:*:*:*:*:*:*:* *cpe:2.3:a:sap:web_dispatcher:7.83:*:*:*:*:*:*:* *cpe:2.3:a:sap:web_dispatcher:kernel_7.22:*:*:*:*:*:*:* *cpe:2.3:a:sap:web_dispatcher:krnl64nuc_7.22:*:*:*:*:*:*:* *cpe:2.3:a:sap:web_dispatcher:krnl64uc_7.22:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-38162 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-2021-38162
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
4.30 }} -1.66%
score
0.92303
percentile