What is CVE-2021-38162?

CVE-2021-38162 is a vulnerability that affects SAP Web Dispatcher versions 7.22ext, 7.49, 7.53, 7.77, 7.81, 7.83, kernel_7.22, krnl64nuc_7.22, krnl64uc_7.22, and allows an unauthenticated attacker to submit a malicious crafted request over a network to a front-end server.

What is the severity of CVE-2021-38162?

CVE-2021-38162 has a severity rating of 9.4 (Critical).

Which software versions are affected by CVE-2021-38162?

SAP Web Dispatcher versions 7.22ext, 7.49, 7.53, 7.77, 7.81, 7.83, kernel_7.22, krnl64nuc_7.22, and krnl64uc_7.22 are affected by CVE-2021-38162.

How can an attacker exploit CVE-2021-38162?

An unauthenticated attacker can exploit CVE-2021-38162 by submitting a malicious crafted request over a network to a front-end server.

Where can I find more information about CVE-2021-38162?

More information about CVE-2021-38162 can be found at the following references: [Link 1](http://packetstormsecurity.com/files/166964/SAP-Web-Dispatcher-HTTP-Request-Smuggling.html), [Link 2](http://seclists.org/fulldisclosure/2022/May/3), [Link 3](https://launchpad.support.sap.com/#/notes/3080567).

Vulnerability/
CVE-2021-38162

critical

9.4

CWE

444

14/9/2021

4/8/2024

CVE-2021-38162

First published: Tue Sep 14 2021(Updated: )

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.

Credit: cna@sap.com

Affected Software	Affected Version	How to fix
SAP Web Dispatcher	=7.22ext
SAP Web Dispatcher	=7.49
SAP Web Dispatcher	=7.53
SAP Web Dispatcher	=7.77
SAP Web Dispatcher	=7.81
SAP Web Dispatcher	=7.83
SAP Web Dispatcher	=kernel_7.22
SAP Web Dispatcher	=krnl64nuc_7.22
SAP Web Dispatcher	=krnl64uc_7.22

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Reference Links

Frequently Asked Questions

What is CVE-2021-38162?
CVE-2021-38162 is a vulnerability that affects SAP Web Dispatcher versions 7.22ext, 7.49, 7.53, 7.77, 7.81, 7.83, kernel_7.22, krnl64nuc_7.22, krnl64uc_7.22, and allows an unauthenticated attacker to submit a malicious crafted request over a network to a front-end server.
What is the severity of CVE-2021-38162?
CVE-2021-38162 has a severity rating of 9.4 (Critical).
Which software versions are affected by CVE-2021-38162?
SAP Web Dispatcher versions 7.22ext, 7.49, 7.53, 7.77, 7.81, 7.83, kernel_7.22, krnl64nuc_7.22, and krnl64uc_7.22 are affected by CVE-2021-38162.
How can an attacker exploit CVE-2021-38162?
An unauthenticated attacker can exploit CVE-2021-38162 by submitting a malicious crafted request over a network to a front-end server.
Where can I find more information about CVE-2021-38162?
More information about CVE-2021-38162 can be found at the following references: [Link 1](http://packetstormsecurity.com/files/166964/SAP-Web-Dispatcher-HTTP-Request-Smuggling.html), [Link 2](http://seclists.org/fulldisclosure/2022/May/3), [Link 3](https://launchpad.support.sap.com/#/notes/3080567).

collector/nvd-index
agent/severity
agent/references
agent/author
agent/type
agent/weakness
agent/event
agent/description
agent/last-modified-date
agent/softwarecombine
agent/first-publish-date
agent/tags
collector/mitre-cve
source/MITRE
vendor/sap
canonical/sap web dispatcher
version/sap web dispatcher/7.22ext
version/sap web dispatcher/7.49
version/sap web dispatcher/7.53
version/sap web dispatcher/7.77
version/sap web dispatcher/7.81
version/sap web dispatcher/7.83
version/sap web dispatcher/kernel_7.22
version/sap web dispatcher/krnl64nuc_7.22
version/sap web dispatcher/krnl64uc_7.22