CVE-2021-38162
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure, data tampering.
- Exploit odds
- 2.7% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 2.7% in the next 30 days (EPSS).
- Severity: 8.9 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 2.7% · EPSS, next 30 days
- Weakness
- CWE-444
- Record status
- Modified
Affected
- 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
Attack profile CVSS 3.1 · 8.9
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
- Scope
- Changed
- Confidentiality
- High
- Integrity
- High
- Availability
- Low
Raw vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2021-38162.md and follow it. Check whether this project is affected by CVE-2021-38162. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=585106405
- https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=585106405
References
- http://packetstormsecurity.com/files/166964/SAP-Web-Dispatcher-HTTP-Request-Smuggling.html
- http://seclists.org/fulldisclosure/2022/May/3
- https://launchpad.support.sap.com/#/notes/3080567
- https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=585106405
- http://packetstormsecurity.com/files/166964/SAP-Web-Dispatcher-HTTP-Request-Smuggling.html
- http://seclists.org/fulldisclosure/2022/May/3
- https://launchpad.support.sap.com/#/notes/3080567
- https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=585106405