CVE-2020-6304

HIGH

7.5

CVSS Score

Published: January 14, 2020 at 05:52 PM UTC

Updated: June 17, 2026 at 03:23 AM UTC

5 products affected across 1 vendorNetweaver Internet Communication Manager (krnl64uc )Netweaver Internet Communication Manager (krnl32nuc )Netweaver Internet Communication Manager (kernel )

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Severity

HIGH7.5

Exploit prediction

EPSS 1%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Netweaver Internet Communication Manager (kernel )· SAP

95%

v < 7.21v < 7.22v < 7.49v < 7.537.21 7.22 7.49 7.53

Affected range stops below 7.21, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.22, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.49, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.53, so it looks safe — our inference, not a vendor statement

Netweaver Internet Communication Manager (krnl32nuc )· SAP

95%

v < 7.21v < 7.21EXTv < 7.22v < 7.22EXT7.21 7.21ext 7.22 7.22ext

Affected range stops below 7.21, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.21EXT, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.22, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.22EXT, so it looks safe — our inference, not a vendor statement

Netweaver Internet Communication Manager (krnl32uc )· SAP

95%

v < 7.21v < 7.21EXTv < 7.22v < 7.22EXT7.21 7.21ext 7.22 7.22ext

Affected range stops below 7.21, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.21EXT, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.22, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.22EXT, so it looks safe — our inference, not a vendor statement

Netweaver Internet Communication Manager (krnl64nuc )· SAP

95%

v < 7.21v < 7.21EXTv < 7.22v < 7.22EXTv < 7.497.21 7.21ext 7.22 7.22ext 7.49

Affected range stops below 7.21, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.21EXT, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.22, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.22EXT, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.49, so it looks safe — our inference, not a vendor statement

Netweaver Internet Communication Manager (krnl64uc )· SAP

95%

v < 7.21v < 7.21EXTv < 7.22v < 7.22EXTv < 7.497.21 7.21ext 7.22 7.22ext 7.49

Affected range stops below 7.21, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.21EXT, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.22, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.22EXT, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.49, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=533671771

References (2)

x_refsource_MISCPermissions Required

Source: [email protected]

https://launchpad.support.sap.com/#/notes/2848498

x_refsource_CONFIRMVendor Advisory

Source: [email protected]

https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=533671771

CVSS

7.5HIGH[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-20

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