CVEs / CVE-2022-22536
CVE-2022-22536: SAP Multiple Products HTTP Request Smuggling Vulnerability
- Known exploited in the CISA KEV catalog since 18 Aug 2022
- critical 10 CVSS 3.1 (NVD)
- EPSS 97.9% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
SAP NetWeaver Application Server ABAP, SAP NetWeaver Application Server Java, ABAP Platform, SAP Content Server and SAP Web Dispatcher allow HTTP request smuggling. An unauthenticated attacker can prepend a victim's request with arbitrary data, allowing for function execution impersonating the victim or poisoning intermediary Web caches.
Description
SAP NetWeaver Application Server ABAP, SAP NetWeaver Application Server Java, ABAP Platform, SAP Content Server 7.53 and SAP Web Dispatcher are vulnerable for request smuggling and request concatenation. An unauthenticated attacker can prepend a victim's request with arbitrary data. This way, the attacker can execute functions impersonating the victim or poison intermediary Web caches. A successful attack could result in complete compromise of Confidentiality, Integrity and Availability of the system.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| SAP SE SAP NetWeaver and ABAP Platform | KERNEL 7.22 | — |
| SAP SE SAP NetWeaver and ABAP Platform | 8.04 | — |
| SAP SE SAP NetWeaver and ABAP Platform | 7.49 | — |
| SAP SE SAP NetWeaver and ABAP Platform | 7.53 | — |
| SAP SE SAP NetWeaver and ABAP Platform | 7.77 | — |
| SAP SE SAP NetWeaver and ABAP Platform | 7.81 | — |
| SAP SE SAP NetWeaver and ABAP Platform | 7.85 | — |
| SAP SE SAP NetWeaver and ABAP Platform | 7.86 | — |
| SAP SE SAP NetWeaver and ABAP Platform | 7.87 | — |
| SAP SE SAP NetWeaver and ABAP Platform | KRNL64UC 8.04 | — |
| SAP SE SAP NetWeaver and ABAP Platform | 7.22 | — |
| SAP SE SAP NetWeaver and ABAP Platform | 7.22EXT | — |
| SAP SE SAP NetWeaver and ABAP Platform | KRNL64NUC 7.22 | — |
| SAP SE SAP Web Dispatcher | 7.49 | — |
| SAP SE SAP Web Dispatcher | 7.53 | — |
| SAP SE SAP Web Dispatcher | 7.77 | — |
| SAP SE SAP Web Dispatcher | 7.81 | — |
| SAP SE SAP Web Dispatcher | 7.85 | — |
| SAP SE SAP Web Dispatcher | 7.22EXT | — |
| SAP SE SAP Web Dispatcher | 7.86 | — |
| SAP SE SAP Web Dispatcher | 7.87 | — |
| SAP SE SAP Content Server | 7.53 | — |
Exploitation
| In CISA KEV since | 18 Aug 2022 |
|---|---|
| Due date for US federal agencies | 8 Sep 2022 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 3.1 | 10 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-444 |
References
- CVE-2022-22536 on NVD
- CVE-2022-22536 in the CISA KEV catalog
- https://accounts.sap.com/saml2/idp/sso (cited by CISA)
- https://launchpad.support.sap.com/#/notes/3123396 Permissions Required
- https://www.sap.com/documents/2022/02/fa865ea4-167e-0010-bca6-c68f7e60039b.html Broken Link, Not Applicable, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-22536 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.