What is CVE-2022-22536?

CVE-2022-22536 is a critical-severity vulnerability in SAP Content Server, classified under Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling). CVSS score: 10.0/10. Published 2022-02-09.

How severe is CVE-2022-22536?

Critical severity. CVSS v3 base score is 10.0 out of 10.

Is CVE-2022-22536 known to be exploited?

Yes. CVE-2022-22536 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-08-18), indicating it is being actively exploited. 29 public proof-of-concept repositories are indexed.

Vulnerability in SAP Content Server

CVE-2022-22536

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.

Vulnerability class: HTTP Request Smuggling

Published 2022-02-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.979 (99.9th percentile), scored 2026-10-15.

Very high probability of exploitation in the next 30 days — among the top 0.1% most-likely-to-be-exploited CVEs. 100th percentile — 99.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.979 · newest: 0.979 · change: 0.000

Affected products

SAP Content Server — versions 7.53
SAP Netweaver Application Server Abap — versions 7.22, 7.49, 7.53
SAP Web Dispatcher — versions 7.22ext, 7.49, 7.53
SAP Se Content Server — versions 7.53
SAP Se Netweaver And Abap Platform — versions KERNEL 7.22, 8.04, 7.49
SAP Se Web Dispatcher — versions 7.49, 7.53, 7.77

Weakness classification (CWE)

CWE-444 — Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-08-18. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-09-08.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

launchpad.support.sap.com/ (Permissions Required)
www.sap.com/documents/2022/02/fa865ea4-167e-0010-bca6-c68f7e60039b.html (Not Applicable, Broken Link, Vendor Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2022-22536?: CVE-2022-22536 is a critical-severity vulnerability in SAP Content Server, classified under Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling). CVSS score: 10.0/10. Published 2022-02-09.
How severe is CVE-2022-22536?: Critical severity. CVSS v3 base score is 10.0 out of 10.
Is CVE-2022-22536 known to be exploited?: Yes. CVE-2022-22536 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-08-18), indicating it is being actively exploited. 29 public proof-of-concept repositories are indexed.