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[email protected]CVE-2021-27630

HistoryJun 09, 2021 - 2:15 p.m.

CVE-2021-27630

2021-06-0914:15:00

CWE-476

[email protected]

web.nvd.nist.gov

sap

netweaver

abap

server

platform

enqueue

cve-2021-27630

security

vulnerability

nvd

krnl32nuc

krnl64nuc

krnl64uc

kernel

unauthenticated access

network attack

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.002 Low

EPSS

Percentile

51.8%

JSON

SAP NetWeaver ABAP Server and ABAP Platform (Enqueue Server), versions - KRNL32NUC - 7.22,7.22EXT, KRNL64NUC - 7.22,7.22EXT,7.49, KRNL64UC - 8.04,7.22,7.22EXT,7.49,7.53,7.73, KERNEL - 7.22,8.04,7.49,7.53,7.73, allows an unauthenticated attacker without specific knowledge of the system to send a specially crafted packet over a network which will trigger an internal error in the system due to improper input validation in method EnqConvUniToSrvReq() causing the system to crash and rendering it unavailable. In this attack, no data in the system can be viewed or modified.

CPENameOperatorVersion
sap:netweaver_as_abapsap netweaver as abapeqkrnl32nuc_7.22
sap:netweaver_as_abapsap netweaver as abapeqkrnl32nuc_7.22ext
sap:netweaver_as_abapsap netweaver as abapeqkrnl64nuc_7.22
sap:netweaver_as_abapsap netweaver as abapeqkrnl64nuc_7.22ext
sap:netweaver_as_abapsap netweaver as abapeqkrnl64nuc_7.49
sap:netweaver_as_abapsap netweaver as abapeqkrnl64uc_8.04
sap:netweaver_as_abapsap netweaver as abapeqkernel_7.22
sap:netweaver_as_abapsap netweaver as abapeqkernel_7.49
sap:netweaver_as_abapsap netweaver as abapeqkernel_8.04
sap:netweaver_as_abapsap netweaver as abapeqkrnl64uc_7.22

CPE	Name	Operator	Version
sap:netweaver_as_abap	sap netweaver as abap	eq	krnl32nuc_7.22
sap:netweaver_as_abap	sap netweaver as abap	eq	krnl32nuc_7.22ext
sap:netweaver_as_abap	sap netweaver as abap	eq	krnl64nuc_7.22
sap:netweaver_as_abap	sap netweaver as abap	eq	krnl64nuc_7.22ext
sap:netweaver_as_abap	sap netweaver as abap	eq	krnl64nuc_7.49
sap:netweaver_as_abap	sap netweaver as abap	eq	krnl64uc_8.04
sap:netweaver_as_abap	sap netweaver as abap	eq	kernel_7.22
sap:netweaver_as_abap	sap netweaver as abap	eq	kernel_7.49
sap:netweaver_as_abap	sap netweaver as abap	eq	kernel_8.04
sap:netweaver_as_abap	sap netweaver as abap	eq	krnl64uc_7.22

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References

launchpad.support.sap.com/#/notes/3020104

wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999

Social References

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.002 Low

EPSS

Percentile

51.8%

JSON

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