CVE-2022-22536 (GCVE-0-2022-22536)
Vulnerability from cvelistv5 – Published: 2022-02-09 22:05 – Updated: 2025-10-21 23:15Summary
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)
SSVC
Exploitation: active
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-01-29 20:20 UTC
CWE
- CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://launchpad.support.sap.com/#/notes/3123396 | x_refsource_MISC |
| https://www.sap.com/documents/2022/02/fa865ea4-16… | x_refsource_MISC |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
3 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 |
|
| 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 |
|
| SAP SE | SAP Content Server |
Affected:
7.53
|
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: ab4904a9-2833-4df2-9adb-fee15f63cd70
Exploited: Yes
Timestamps
First Seen: 2022-08-18
Asserted: 2022-08-18
Scope
Notes: 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: 2026-10-02 08:09 CEST
| Updated: 2026-10-02 08:09 CEST
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: eb56a10a-8564-4f0c-b01a-24a11a5f9bf4
Exploited: Yes
Timestamps
First Seen: 2022-08-18
Asserted: 2022-08-18
Scope
Notes: 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) | EPSS: 0.97945 | Used in malware: unknown | Not yet in CISA KEV: False
Evidence
Type: Public Report
Signal: Successful Exploitation
Confidence: 70%
Source: previdian
Details
| Feed | Previdian (previdian.com) |
|---|---|
| Title | SAP NetWeaver Application Server ABAP, SAP NetWeaver Application Server Java, ABAP Platform, SAP Content Server 7.53 and SAP Web Dispatcher are... |
| Cve Id | CVE-2022-22536 |
| Vendor | SAP SE |
| Ghsa Id | None |
| 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 | 0.97945 |
| Previous Ids | |
| Cvss Severity | CRITICAL |
| Virtual Patch | False |
| Cvss Estimated | False |
| Epss Percentile | 0.99909 |
| Used In Malware | unknown |
| Vulnerability Id | CVE-2022-22536 |
| Ahead Of Cisa Kev | None |
| Not Yet In Cisa Kev | False |
References
Created: 2026-10-02 09:11 CEST
| Updated: 2026-10-02 09:11 CEST
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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