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 pre…

Vulnerability class: HTTP Request Smuggling

EPSS: 0.979 (99.9th percentile) — read the EPSS interpretation.

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.

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

cna@sap.com (Permissions Required, x_refsource_MISC)
cna@sap.com (x_refsource_MISC, 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.