Improper input validation in SAP NetWeaver Internet Communication Manager
Priority LOW 36CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Improper input validation in SAP NetWeaver Internet Communication Manager (update provided in KRNL32NUC & KRNL32UC 7.21, 7.21EXT, 7.22, 7.22EXT KRNL64NUC & KRNL64UC 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49 KERNEL 7.21, 7.49, 7.53) allows an attacker to prevent users from accessing its services through a denial of service.
Why it matters now
EPSS 0.01483 74th percentileScored 2026-11-07
Fix Fixed SAP NetWeaver Internet Communication Manager (KRNL32NUC) (SAP SE): 7.21, 7.21EXT, 7.22 +1SAP NetWeaver Internet Communication Manager (KRNL32UC) (SAP SE): 7.21, 7.21EXT, 7.22 +1+3 more products
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| SAP | SAP NetWeaver Internet Communication Manager (KRNL32NUC) | before 7.21; before 7.21EXT; before 7.22; before 7.22EXT | 7.21, 7.21EXT, 7.22, 7.22EXT | Patch available | CNA |
| SAP | SAP NetWeaver Internet Communication Manager (KRNL32UC) | before 7.21; before 7.21EXT; before 7.22; before 7.22EXT | 7.21, 7.21EXT, 7.22, 7.22EXT | Patch available | CNA |
| SAP | SAP NetWeaver Internet Communication Manager (KRNL64NUC) | before 7.21; before 7.21EXT; before 7.22; before 7.22EXT; before 7.49 | 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49 | Patch available | CNA |
| SAP | SAP NetWeaver Internet Communication Manager (KRNL64UC) | before 7.21; before 7.21EXT; before 7.22; before 7.22EXT; before 7.49 | 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49 | Patch available | CNA |
| SAP | SAP NetWeaver Internet Communication Manager (KERNEL) | before 7.21; before 7.22; before 7.49; before 7.53 | 7.21, 7.22, 7.49, 7.53 | Patch available | CNA |
- SAP NetWeaver Internet Communication Manager (KRNL32NUC) VendorSAP Affected before 7.21; before 7.21EXT; before 7.22; before 7.22EXT Fixed in 7.21, 7.21EXT, 7.22, 7.22EXT Patch available CNA
- SAP NetWeaver Internet Communication Manager (KRNL32UC) VendorSAP Affected before 7.21; before 7.21EXT; before 7.22; before 7.22EXT Fixed in 7.21, 7.21EXT, 7.22, 7.22EXT Patch available CNA
- SAP NetWeaver Internet Communication Manager (KRNL64NUC) VendorSAP Affected before 7.21; before 7.21EXT; before 7.22; before 7.22EXT; before 7.49 Fixed in 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49 Patch available CNA
- SAP NetWeaver Internet Communication Manager (KRNL64UC) VendorSAP Affected before 7.21; before 7.21EXT; before 7.22; before 7.22EXT; before 7.49 Fixed in 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49 Patch available CNA
- SAP NetWeaver Internet Communication Manager (KERNEL) VendorSAP Affected before 7.21; before 7.22; before 7.49; before 7.53 Fixed in 7.21, 7.22, 7.49, 7.53 Patch available CNA
CPE configurations NVD · 22
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:sap:netweaver_internet_communication_manager_\(kernel\):7.21:*:*:*:*:*:*:* | 7.21 | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_internet_communication_manager_\(kernel\):7.22:*:*:*:*:*:*:* | 7.22 | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_internet_communication_manager_\(kernel\):7.49:*:*:*:*:*:*:* | 7.49 | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_internet_communication_manager_\(kernel\):7.53:*:*:*:*:*:*:* | 7.53 | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_internet_communication_manager_\(krnl32nuc\):7.21:*:*:*:*:*:*:* | 7.21 | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_internet_communication_manager_\(krnl32nuc\):7.21ext:*:*:*:*:*:*:* | 7.21ext | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_internet_communication_manager_\(krnl32nuc\):7.22:*:*:*:*:*:*:* | 7.22 | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_internet_communication_manager_\(krnl32nuc\):7.22ext:*:*:*:*:*:*:* | 7.22ext | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_internet_communication_manager_\(krnl32uc\):7.21:*:*:*:*:*:*:* | 7.21 | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_internet_communication_manager_\(krnl32uc\):7.21ext:*:*:*:*:*:*:* | 7.21ext | Vulnerable | SAP |
- cpe:2.3:a:sap:netweaver_internet_communication_manager_\(kernel\):7.21:*:*:*:*:*:*:* Versions 7.21 Vulnerable ·SAP
- cpe:2.3:a:sap:netweaver_internet_communication_manager_\(kernel\):7.22:*:*:*:*:*:*:* Versions 7.22 Vulnerable ·SAP
- cpe:2.3:a:sap:netweaver_internet_communication_manager_\(kernel\):7.49:*:*:*:*:*:*:* Versions 7.49 Vulnerable ·SAP
- cpe:2.3:a:sap:netweaver_internet_communication_manager_\(kernel\):7.53:*:*:*:*:*:*:* Versions 7.53 Vulnerable ·SAP
- cpe:2.3:a:sap:netweaver_internet_communication_manager_\(krnl32nuc\):7.21:*:*:*:*:*:*:* Versions 7.21 Vulnerable ·SAP
- cpe:2.3:a:sap:netweaver_internet_communication_manager_\(krnl32nuc\):7.21ext:*:*:*:*:*:*:* Versions 7.21ext Vulnerable ·SAP
- cpe:2.3:a:sap:netweaver_internet_communication_manager_\(krnl32nuc\):7.22:*:*:*:*:*:*:* Versions 7.22 Vulnerable ·SAP
- cpe:2.3:a:sap:netweaver_internet_communication_manager_\(krnl32nuc\):7.22ext:*:*:*:*:*:*:* Versions 7.22ext Vulnerable ·SAP
- cpe:2.3:a:sap:netweaver_internet_communication_manager_\(krnl32uc\):7.21:*:*:*:*:*:*:* Versions 7.21 Vulnerable ·SAP
- cpe:2.3:a:sap:netweaver_internet_communication_manager_\(krnl32uc\):7.21ext:*:*:*:*:*:*:* Versions 7.21ext Vulnerable ·SAP
Show 12 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:sap:netweaver_internet_communication_manager_\(krnl32uc\):7.22:*:*:*:*:*:*:* | 7.22 | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_internet_communication_manager_\(krnl32uc\):7.22ext:*:*:*:*:*:*:* | 7.22ext | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_internet_communication_manager_\(krnl64nuc\):7.21:*:*:*:*:*:*:* | 7.21 | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_internet_communication_manager_\(krnl64nuc\):7.21ext:*:*:*:*:*:*:* | 7.21ext | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_internet_communication_manager_\(krnl64nuc\):7.22:*:*:*:*:*:*:* | 7.22 | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_internet_communication_manager_\(krnl64nuc\):7.22ext:*:*:*:*:*:*:* | 7.22ext | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_internet_communication_manager_\(krnl64nuc\):7.49:*:*:*:*:*:*:* | 7.49 | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_internet_communication_manager_\(krnl64uc\):7.21:*:*:*:*:*:*:* | 7.21 | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_internet_communication_manager_\(krnl64uc\):7.21ext:*:*:*:*:*:*:* | 7.21ext | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_internet_communication_manager_\(krnl64uc\):7.22:*:*:*:*:*:*:* | 7.22 | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_internet_communication_manager_\(krnl64uc\):7.22ext:*:*:*:*:*:*:* | 7.22ext | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_internet_communication_manager_\(krnl64uc\):7.49:*:*:*:*:*:*:* | 7.49 | Vulnerable | SAP |
- cpe:2.3:a:sap:netweaver_internet_communication_manager_\(krnl32uc\):7.22:*:*:*:*:*:*:* Versions 7.22 Vulnerable ·SAP
- cpe:2.3:a:sap:netweaver_internet_communication_manager_\(krnl32uc\):7.22ext:*:*:*:*:*:*:* Versions 7.22ext Vulnerable ·SAP
- cpe:2.3:a:sap:netweaver_internet_communication_manager_\(krnl64nuc\):7.21:*:*:*:*:*:*:* Versions 7.21 Vulnerable ·SAP
- cpe:2.3:a:sap:netweaver_internet_communication_manager_\(krnl64nuc\):7.21ext:*:*:*:*:*:*:* Versions 7.21ext Vulnerable ·SAP
- cpe:2.3:a:sap:netweaver_internet_communication_manager_\(krnl64nuc\):7.22:*:*:*:*:*:*:* Versions 7.22 Vulnerable ·SAP
- cpe:2.3:a:sap:netweaver_internet_communication_manager_\(krnl64nuc\):7.22ext:*:*:*:*:*:*:* Versions 7.22ext Vulnerable ·SAP
- cpe:2.3:a:sap:netweaver_internet_communication_manager_\(krnl64nuc\):7.49:*:*:*:*:*:*:* Versions 7.49 Vulnerable ·SAP
- cpe:2.3:a:sap:netweaver_internet_communication_manager_\(krnl64uc\):7.21:*:*:*:*:*:*:* Versions 7.21 Vulnerable ·SAP
- cpe:2.3:a:sap:netweaver_internet_communication_manager_\(krnl64uc\):7.21ext:*:*:*:*:*:*:* Versions 7.21ext Vulnerable ·SAP
- cpe:2.3:a:sap:netweaver_internet_communication_manager_\(krnl64uc\):7.22:*:*:*:*:*:*:* Versions 7.22 Vulnerable ·SAP
- cpe:2.3:a:sap:netweaver_internet_communication_manager_\(krnl64uc\):7.22ext:*:*:*:*:*:*:* Versions 7.22ext Vulnerable ·SAP
- cpe:2.3:a:sap:netweaver_internet_communication_manager_\(krnl64uc\):7.49:*:*:*:*:*:*:* Versions 7.49 Vulnerable ·SAP
Remediation
- Fix · CNA SAP NetWeaver Internet Communication Manager (KRNL32NUC) (SAP SE) Fixed in 7.21, 7.21EXT, 7.22, 7.22EXT
- Fix · CNA SAP NetWeaver Internet Communication Manager (KRNL32UC) (SAP SE) Fixed in 7.21, 7.21EXT, 7.22, 7.22EXT
- Fix · CNA SAP NetWeaver Internet Communication Manager (KRNL64NUC) (SAP SE) Fixed in 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49
- Fix · CNA SAP NetWeaver Internet Communication Manager (KRNL64UC) (SAP SE) Fixed in 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49
- Fix · CNA SAP NetWeaver Internet Communication Manager (KERNEL) (SAP SE) Fixed in 7.21, 7.22, 7.49, 7.53
Timeline
- 2026-10-02 Threatist record created from CVE-2020-6304
- 2026-10-03 Alias added: GHSA-86r6-3wmr-wv39
References
Sources
- CVE-2020-6304 · CVE Program
- CVE-2020-6304 · NVD
- FIRST EPSS
- GHSA-86r6-3wmr-wv39 · GitHub Advisory Database · CC BY 4.0
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