Exploitation evidence
Known exploited · CISA KEV listed
Added 2022-08-18. Ransomware campaign use: Unknown.
CISA required action: Apply updates per vendor instructions.
CISA due date: 2022-09-08. This is the catalog’s deadline, not an assessment of your organization’s exposure.
KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗Reported products and versions
SAP SE / SAP NetWeaver and ABAP Platform
Default status: unaffected
- 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
Default status: unaffected
- 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
Default status: unaffected
- affected: 7.53
Fixes and workarounds
No explicit solution text in the downloaded CVE record. Consult the vendor advisory; unaffected version ranges are shown above as reported, not inferred as a patch recommendation.
Sources and related reporting
Observed change timeline
History begins when Egret first downloads each source. It is not the complete upstream CVE history.
12 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-12",
"epss": 0.97945,
"percentile": 0.99909
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.97945,
"percentile": 0.99909
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.97945,
"percentile": 0.99909
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.97945,
"percentile": 0.99909
}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.97945,
"percentile": 0.99909
}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.97945,
"percentile": 0.99909
}06 Nov 2026, 06:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.97945,
"percentile": 0.99909
}05 Nov 2026, 06:20 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T03:14:55.457Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://launchpad.support.sap.com/#/notes/3123396"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://www.sap.com/documents/2022/02/fa865ea4-167e-0010-bca6-c68f7e60039b.html"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2022-22536",
"options": [
{
"Exploitation": "active"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-01-29T20:20:36.420396Z",
"version": "2.0.3"
},
"type": "ssvc"
}
},
{
"other": {
"content": {
"dateAdded": "2022-08-18",
"reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-22536"
},
"type": "kev"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-10-21T23:15:47.646Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"government-resource"
],
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-22536"
}
],
"timeline": [
{
"lang": "en",
"time": "2022-08-18T00:00:00.000Z",
"value": "CVE-2022-22536 added to CISA KEV"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "SAP NetWeaver and ABAP Platform",
"vendor": "SAP SE",
"versions": [
{
"status": "affected",
"version": "KERNEL 7.22"
},
{
"status": "affected",
"version": "8.04"
},
{
"status": "affected",
"version": "7.49"
},
{
"status": "affected",
"version": "7.53"
},
{
"status": "affected",
"version": "7.77"
},
{
"status": "affected",
"version": "7.81"
},
{
"status": "affected",
"version": "7.85"
},
{
"status": "affected",
"version": "7.86"
},
{
"status": "affected",
"version": "7.87"
},
{
"status": "affected",
"version": "KRNL64UC 8.04"
},
{
"status": "affected",
"version": "7.22"
},
{
"status": "affected",
"version": "7.22EXT"
},
{
"status": "affected",
"version": "KRNL64NUC 7.22"
}
]
},
{
"defaultStatus": "unaffected",
"product": "SAP Web Dispatcher",
"vendor": "SAP SE",
"versions": [
{
"status": "affected",
"version": "7.49"
},
{
"status": "affected",
"version": "7.53"
},
{
"status": "affected",
"version": "7.77"
},
{
"status": "affected",
"version": "7.81"
},
{
"status": "affected",
"version": "7.85"
},
{
"status": "affected",
"version": "7.22EXT"
},
{
"status": "affected",
"version": "7.86"
},
{
"status": "affected",
"version": "7.87"
}
]
},
{
"defaultStatus": "unaffected",
"product": "SAP Content Server",
"vendor": "SAP SE",
"versions": [
{
"status": "affected",
"version": "7.53"
}
]
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "<p>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.</p>"
}
],
"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'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."
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-444",
"description": "CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2023-09-26T03:11:25.429Z",
"orgId": "e4686d1a-f260-4930-ac4c-2f5c992778dd",
"shortName": "sap"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://launchpad.support.sap.com/#/notes/3123396"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://www.sap.com/documents/2022/02/fa865ea4-167e-0010-bca6-c68f7e60039b.html"
}
],
"source": {
"discovery": "UNKNOWN"
},
"x_generator": {
"engine": "Vulnogram 0.1.0-dev"
},
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "cna@sap.com",
"ID": "CVE-2022-22536",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "SAP NetWeaver and ABAP Platform",
"version": {
"version_data": [
{
"version_affected": "=",
"version_value": "KERNEL 7.22"
},
{
"version_affected": "=",
"version_value": "8.04"
},
{
"version_affected": "=",
"version_value": "7.49"
},
{
"version_affected": "=",
"version_value": "7.53"
},
{
"version_affected": "=",
"version_value": "7.77"
},
{
"version_affected": "=",
"version_value": "7.81"
},
{
"version_affected": "=",
"version_value": "7.85"
},
{
"version_affected": "=",
"version_value": "7.86"
},
{
"version_affected": "=",
"version_value": "7.87"
},
{
"version_affected": "=",
"version_value": "KRNL64UC 8.04"
},
{
"version_affected": "=",
"version_value": "7.22"
},
{
"version_affected": "=",
"version_value": "7.22EXT"
},
{
"version_affected": "=",
"version_value": "7.49"
},
{
"version_affected": "=",
"version_value": "7.53"
},
{
"version_affected": "=",
"version_value": "KRNL64NUC 7.22"
},
{
"version_affected": "=",
"version_value": "7.22EXT"
},
{
"version_affected": "=",
"version_value": "7.49"
}
]
}
},
{
"product_name": "SAP Web Dispatcher",
"version": {
"version_data": [
{
"version_affected": "=",
"version_value": "7.49"
},
{
"version_affected": "=",
"version_value": "7.53"
},
{
"version_affected": "=",
"version_value": "7.77"
},
{
"version_affected": "=",
"version_value": "7.81"
},
{
"version_affected": "=",
"version_value": "7.85"
},
{
"version_affected": "=",
"version_value": "7.22EXT"
},
{
"version_affected": "=",
"version_value": "7.86"
},
{
"version_affected": "=",
"version_value": "7.87"
}
]
}
},
{
"product_name": "SAP Content Server",
"version": {
"version_data": [
{
"version_affected": "=",
"version_value": "7.53"
}
]
}
}
]
},
"vendor_name": "SAP SE"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"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'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."
}
]
},
"impact": {
"cvss": {
"baseScore": "null",
"vectorString": "null",
"version": "3.0"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-444"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://launchpad.support.sap.com/#/notes/3123396",
"refsource": "MISC",
"url": "https://launchpad.support.sap.com/#/notes/3123396"
},
{
"name": "https://www.sap.com/documents/2022/02/fa865ea4-167e-0010-bca6-c68f7e60039b.html",
"refsource": "MISC",
"url": "https://www.sap.com/documents/2022/02/fa865ea4-167e-0010-bca6-c68f7e60039b.html"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "e4686d1a-f260-4930-ac4c-2f5c992778dd",
"assignerShortName": "sap",
"cveId": "CVE-2022-22536",
"datePublished": "2022-02-09T22:05:24.000Z",
"dateReserved": "2022-01-04T00:00:00.000Z",
"dateUpdated": "2025-10-21T23:15:47.646Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}04 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-04",
"epss": 0.97945,
"percentile": 0.99909
}03 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-03",
"epss": 0.97945,
"percentile": 0.99909
}03 Nov 2026, 02:22 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-02",
"epss": 0.97945,
"percentile": 0.99909
}03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed
Stored KEV snapshot at this observation.
{
"cveID": "CVE-2022-22536",
"cwes": [
"CWE-444"
],
"dateAdded": "2022-08-18",
"dueDate": "2022-09-08",
"forensicTriage": "No",
"knownRansomwareCampaignUse": "Unknown",
"notes": "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",
"product": "Multiple Products",
"requiredAction": "Apply updates per vendor instructions.",
"shortDescription": "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.",
"vendorProject": "SAP",
"vulnerabilityName": "SAP Multiple Products HTTP Request Smuggling Vulnerability"
}