CVE-2021-38162
highpriority · track · 39EPSS 0.027 · 86 %ileEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.4
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (19)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (15)
External citations — patches, advisories, analysis.
- http://seclists.org/fulldisclosure/2022/May/3cnnvd
- https://cxsecurity.com/issue/WLB-2022050034cnnvd
- https://launchpad.support.sap.com/#/notes/3080567cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2021-38162cnnvd
- https://packetstormsecurity.com/files/166964/SAP-Web-Dispatcher-HTTP-Request-Smuggling.htmlcnnvd
- https://vigilance.fr/vulnerability/SAP-multiple-vulnerabilities-of-September-2021-36390cnnvd
- https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=585106405cnnvd
- http://packetstormsecurity.com/files/166964/SAP-Web-Dispatcher-HTTP-Request-Smuggling.htmlenisa_euvd
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