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Vulnerabilities

Vulnerability · CVE-2022-22536

SAP Multiple Products HTTP Request Smuggling Vulnerability

Published Feb 9, 2022 · catalog updated Jun 16, 2026 · SAP Multiple Products

Patch now

CVE-2022-22536 is in the CISA known-exploited catalog, due Sep 8, 2022. Confirm SAP Multiple Products against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
Critical10.0
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
97.95%
Remediation
Remediation guidance
Affected products
cpe sap/content server · cpe sap/netweaver application server abap · vendor SAP Multiple Products

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe sap/content server7.53
  • cpe sap/netweaver application server abap7.22
  • cpe sap/netweaver application server abap7.49
  • cpe sap/netweaver application server abap7.53
  • cpe sap/netweaver application server abap7.77
  • cpe sap/netweaver application server abap7.81
  • cpe sap/netweaver application server abap7.85
  • cpe sap/netweaver application server abap7.86
  • vendor SAP Multiple Productsversion unspecified

How to fix CVE-2022-22536

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2022-22536 is in the CISA known-exploited catalog, due Sep 8, 2022. Confirm SAP Multiple Products against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with sap/content server 7.53; sap/netweaver application server abap 7.22; sap/netweaver application server abap 7.49; sap/netweaver application server abap 7.53. Apply updates per vendor instructions.

What should an analyst verify?

CWE-444: HTTP Request Smuggling. EPSS 97.95%. The CISA KEV listing is the exploitation evidence. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 9, 2022 · Catalog

    Detected

    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 successfu

  2. Aug 18, 2022 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Sep 8, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    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 successfu

Sources

  • CISA KEVConfirmed exploitationCVE-2022-22536

    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.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2022-22536

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2022-22536

    30-day exploitation probability 97.9%

    first.org
  • Exploit DatabasePublic exploit reference52109

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • NIST NVDVulnerability recordCVE-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 da

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2022-22536

    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 imp

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.