CVE-2022-22536 (GCVE-0-2022-22536)

Vulnerability from cvelistv5 – Published: 2022-02-09 22:05 – Updated: 2025-10-21 23:15
VLAI CISA Shadowserver KEVIntel
Summary
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.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: active Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')
Assigner
sap
References
Impacted products
Vendor Product Version
SAP SE SAP NetWeaver and ABAP Platform Affected: KERNEL 7.22
Affected: 8.04
Affected: 7.49
Affected: 7.53
Affected: 7.77
Affected: 7.81
Affected: 7.85
Affected: 7.86
Affected: 7.87
Affected: KRNL64UC 8.04
Affected: 7.22
Affected: 7.22EXT
Affected: KRNL64NUC 7.22
Create a notification for this product.
SAP SE SAP Web Dispatcher Affected: 7.49
Affected: 7.53
Affected: 7.77
Affected: 7.81
Affected: 7.85
Affected: 7.22EXT
Affected: 7.86
Affected: 7.87
Create a notification for this product.
SAP SE SAP Content Server Affected: 7.53
Create a notification for this product.
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 4823c432-8143-48ca-9130-7a16ee18f8d7

Vulnerability ID: CVE-2022-22536

Status: Confirmed

Status Updated: 2022-08-18 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2022-08-18
Asserted: 2022-08-18
Scope
Notes: KEV entry: SAP Multiple Products HTTP Request Smuggling Vulnerability | Affected: SAP / Multiple Products | Description: 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. | Required action: Apply updates per vendor instructions. | Due date: 2022-09-08 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): SAP users must have an account in order to login and access the patch. https://accounts.sap.com/saml2/idp/sso; https://nvd.nist.gov/vuln/detail/CVE-2022-22536
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-444
Feed CISA Known Exploited Vulnerabilities Catalog
Product Multiple Products
Due Date 2022-09-08
Date Added 2022-08-18
Vendorproject SAP
Vulnerabilityname SAP Multiple Products HTTP Request Smuggling Vulnerability
Knownransomwarecampaignuse Unknown
References
Created: 2026-02-02 12:27 UTC | Updated: 2026-02-06 07:17 UTC
Shadowserver
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 9c0e0122-fdce-4b17-8713-ea2a377d2cd1

Vulnerability ID: CVE-2022-22536

Status: Confirmed

Status Updated: 2026-07-06 00:00 UTC

Exploited: Yes

Characteristics
Severity: 100.0
Timestamps
First Seen: 2024-03-19
Asserted: 2024-03-19
Last Seen: 2026-07-06
Scope
Asset Exposure: ['internet-facing']
Notes: Affected: SAP / NetWeaver Application Server ABAP, SAP NetWeaver Application Server Java, ABAP Platform, SAP Content Server 7.53 and SAP Web Dispatcher | Class: app-server | Severity: Critical (CVSS 10) | IoT: no | In CISA KEV: yes | Honeypot connections on 2026-07-06: 3
Evidence

Type: Honeypot

Signal: In The Wild Attempts

Confidence: 70%

Source: shadowserver

Details
1D 1
Iot no
Feed Shadowserver Foundation honeypot/exploited-vulnerabilities
Type http-scan
Class app-server
7D Avg 0
Vendor SAP
30D Avg 4
90D Avg 3
Product NetWeaver Application Server ABAP, SAP NetWeaver Application Server Java, ABAP Platform, SAP Content Server 7.53 and SAP Web Dispatcher
Cisa Kev yes
Connections 3
Observation Date 2026-07-06
Vulnerability Class CVSS
Vulnerability Score 10
Vulnerability Severity Critical
References
Created: 2026-06-30 09:23 UTC | Updated: 2026-07-08 01:02 UTC
KEVIntel
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 54191fac-a437-4c2f-955b-06fa9f9a066e

Vulnerability ID: CVE-2022-22536

Status: Confirmed

Status Updated: 2022-08-18 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2022-08-18
Asserted: 2022-08-18
Scope
Notes: KEVIntel entry: SAP NetWeaver Application Server ABAP, SAP NetWeaver Application Server Java, ABAP Platform, SAP Content Server 7.53 and SAP Web Dispatcher are... | Affected: SAP SE / SAP NetWeaver and ABAP Platform, SAP Web Dispatcher, SAP Content Server | CVSS: 10.0 (CRITICAL) | Used in malware: unknown | Not yet in CISA KEV: False
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title SAP NetWeaver Application Server ABAP, SAP NetWeaver Application Server Java, ABAP Platform, SAP Content Server 7.53 and SAP Web Dispatcher are...
Vendor SAP SE
Product SAP NetWeaver and ABAP Platform, SAP Web Dispatcher, SAP Content Server
Added Date 2022-08-18T00:00:00.000Z
Cvss Score 10.0
Epss Score None
Cvss Severity CRITICAL
Epss Percentile None
Used In Malware unknown
Ahead Of Cisa Kev None
Not Yet In Cisa Kev False
References
Created: 2026-06-23 14:05 UTC | Updated: 2026-06-23 14:05 UTC
Show details on NVD website
To clipboard 

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      "descriptions": "[{\"lang\": \"en\", \"value\": \"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\u0027s 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.\\n\\n\"}, {\"lang\": \"es\", \"value\": \"SAP NetWeaver Application Server ABAP, SAP NetWeaver Application Server Java, ABAP Platform, SAP Content Server 7.53 y SAP Web Dispatcher son vulnerables para el contrabando de peticiones y la concatenaci\\u00f3n de peticiones. Un atacante no autenticado puede a\\u00f1adir datos arbitrarios a la petici\\u00f3n de la v\\u00edctima. De este modo, el atacante puede ejecutar funciones suplantando a la v\\u00edctima o envenenar las cach\\u00e9s web intermediarias. Un ataque con \\u00e9xito podr\\u00eda resultar en el compromiso completo de la Confidencialidad, Integridad y Disponibilidad del sistema\"}]",
      "id": "CVE-2022-22536",
      "lastModified": "2024-11-21T06:46:58.783",
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      "published": "2022-02-09T23:15:18.620",
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      "sourceIdentifier": "cna@sap.com",
      "vulnStatus": "Modified",
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    },
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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.