CVE-2022-22536
CriticalExploitedPublic exploitSAP 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.
Published Feb 9, 2022 · Updated Feb 25, 2026
Key Facts
Patch immediately- CVE-2022-22536 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Content Server (Sap), Netweaver Application Server Abap (Sap), Web Dispatcher (Sap) and 1 more product.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Aug 18, 2022. Public exploit code is available.
- EPSS estimates a 98% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
98%
Higher than 99.9% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2022-22536 brief as a PDF
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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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Aug 18, 2022 | Sep 8, 2022 | Not reported |
| Industry KEV feed | Aug 18, 2022 | Sep 8, 2022 | Not reported |
| CIRCL KEV | Aug 18, 2022 | Sep 8, 2022 | Not reported |
| ENISA EUVD | Aug 18, 2022 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
29 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Content ServerSap | 7.53, >= 7.53 | n/a |
| Netweaver Application Server AbapSap | 7.22, 7.49, 7.53, 7.77, 7.81, 7.85, 7.86, 7.87 | n/a |
| Web DispatcherSap | 7.22ext, 7.49, 7.53, 7.77, 7.81, 7.85, 7.86, 7.87 | n/a |
| SAP NetWeaver and ABAP Platform | >= KERNEL 7.22 | n/a |
Timeline
Publicly disclosed
Feb 9, 2022
Added to CISA KEV
Aug 18, 2022
Added to Industry KEV feed
Aug 18, 2022
Added to CIRCL KEV
Aug 18, 2022
Added to ENISA EUVD
Aug 18, 2022
Last updated
Feb 25, 2026
Weakness Type
- CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
References
- advisoryhttps://www.sap.com/documents/2022/02/fa865ea4-167e-0010-bca6-c68f7e60039b.html
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
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.
Affected: Content Server (Sap) versions 7.53, >= 7.53; Netweaver Application Server Abap (Sap) versions 7.22, 7.49, 7.53, 7.77, 7.81, 7.85, 7.86, 7.87; Web Dispatcher (Sap) versions 7.22ext, 7.49, 7.53, 7.77, 7.81, 7.85, 7.86, 7.87, among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Aug 18, 2022.
Yes. It was added on Aug 18, 2022 with a federal remediation due date of Sep 8, 2022.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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