CVE-2021-38162: Critical severity SAP Web Dispatcher vulnerability
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.
Affected Software
Event History
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).