CVE-2022-22536
Sap Netweaver Application Server Abap 7.22 … krnl64uc_8.04
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:HCVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.
Summary
CVE-2022-22536 is a critical-severity HTTP Request/Response Smuggling (CWE-444) vulnerability in Sap Netweaver Application Server Abap. Its CVSS base score is 10.0 (Critical).
Operationally, exploitation aligns with the MITRE ATT&CK technique LSASS Memory (T1003.001); ranked in the top 0.1% of CVEs by exploit likelihood; CISA has added it to the Known Exploited Vulnerabilities catalog.
Deeper analysis AI-assisted summary
Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.
SAP NetWeaver Application Server ABAP, SAP NetWeaver Application Server Java, ABAP Platform, SAP Content Server 7.53, and SAP Web Dispatcher are affected by a request smuggling and request concatenation vulnerability tracked as CVE-2022-22536. The flaw, assigned CWE-444, permits an unauthenticated remote attacker to prepend arbitrary data to a victim's HTTP request, which can be used to manipulate how the server processes subsequent requests.
An attacker can exploit the issue over the network without authentication or user interaction to impersonate the victim and invoke functions on their behalf or to poison intermediary web caches. Successful exploitation yields complete loss of confidentiality, integrity, and availability, reflected in the CVSS 3.1 base score of 10.0.
SAP has published remediation details in security note 3123396 and the associated February 2022 security patch release, while CISA lists the CVE in its Known Exploited Vulnerabilities catalog, confirming observed in-the-wild activity. The associated EPSS score has remained at a persistently high level, with a current value of 0.9383 and a recorded peak of 0.9683.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-27682
Vulnerability Data
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…
more
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.
- CWE(s)
- KEV Date Added
- 18 August 2022
Related Threats
Threat-Actor AttributionAI
MITRE ATT&CK Enterprise Techniques
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Affected Assets
Mitigating Controls
Control response
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V4.1.3V4.2.4V1.5.3V4.1.1
Mitigating Controls (NIST CSF 2.0) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.
Network monitoring can detect smuggling attempts via anomalous HTTP traffic or logs, while eliminating the inconsistency directly aids detection of such events.
Network protections can enforce consistent HTTP proxy/firewall behavior to block smuggling, and removing the weakness helps prevent unauthorized access via request smuggling.
Configuration management can enforce uniform HTTP parsing rules across intermediaries, directly mitigating inconsistent interpretation.
Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.