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CVE-2022-22536

SAP Multiple Products HTTP Request Smuggling

10.0 CRITICALActively exploited (CISA KEV)EPSS 97.9%
  1. Published9 Feb 2022
  2. Added to CISA KEV18 Aug 2022
  3. Remediation due8 Sept 2022
Actively exploited (CISA KEV)

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.

Added to KEV: 18 Aug 2022Federal remediation due: 8 Sept 2022

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected products

SAP Content Server7.53
SAP Netweaver Application Server Abap7.22 · 7.49 · 7.53 · 7.77
SAP Web Dispatcher7.22ext · 7.49 · 7.53 · 7.77

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2022-22536 being actively exploited?

Yes. CVE-2022-22536 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 18 Aug 2022.

How severe is CVE-2022-22536?

CVE-2022-22536 has a CVSS 3.1 base score of 10.0, rated critical. EPSS estimates a 97.9% probability of exploitation.

Which products are affected by CVE-2022-22536?

Affected products include SAP Content Server, SAP Netweaver Application Server Abap, SAP Web Dispatcher.

How do I fix CVE-2022-22536?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2022-22536 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, a risk for it never ranks below high, and the update that fixes it moves to the Emergency patch lane. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.