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[email protected]CVE-2021-27607

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

CVE-2021-27607

2021-06-0914:15:08

CWE-476

[email protected]

web.nvd.nist.gov

sap

netweaver

abap

server

platform

dispatcher

krnl32nuc

krnl32uc

krnl64nuc

krnl64uc

kernel

unauthenticated

remote code execution

cve-2021-27607

5 Medium

CVSS2

Attack Vector

NETWORK

Attack 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

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

0.002 Low

EPSS

Percentile

52.1%

JSON

SAP NetWeaver ABAP Server and ABAP Platform (Dispatcher), versions - KRNL32NUC - 7.22,7.22EXT, KRNL32UC - 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 - 7.22,8.04,7.49,7.53,7.73,7.77,7.81,7.82,7.83, 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 ThSncIn() causing the system to crash and rendering it unavailable. In this attack, no data in the system can be viewed or modified.

Affected configurations

NVD

Node

sapnetweaver_as_abapMatchkernel_7.22

sapnetweaver_as_abapMatchkernel_7.49

sapnetweaver_as_abapMatchkernel_7.53

sapnetweaver_as_abapMatchkernel_7.73

sapnetweaver_as_abapMatchkernel_7.77

sapnetweaver_as_abapMatchkernel_7.81

sapnetweaver_as_abapMatchkernel_7.82

sapnetweaver_as_abapMatchkernel_7.83

sapnetweaver_as_abapMatchkernel_8.04

sapnetweaver_as_abapMatchkrnl32nuc_7.22

sapnetweaver_as_abapMatchkrnl32nuc_7.22ext

sapnetweaver_as_abapMatchkrnl32uc_7.22

sapnetweaver_as_abapMatchkrnl32uc_7.22ext

sapnetweaver_as_abapMatchkrnl64nuc_7.22

sapnetweaver_as_abapMatchkrnl64nuc_7.22ext

sapnetweaver_as_abapMatchkrnl64nuc_7.49

sapnetweaver_as_abapMatchkrnl64uc_7.22

sapnetweaver_as_abapMatchkrnl64uc_7.22ext

sapnetweaver_as_abapMatchkrnl64uc_7.49

sapnetweaver_as_abapMatchkrnl64uc_7.53

sapnetweaver_as_abapMatchkrnl64uc_7.73

sapnetweaver_as_abapMatchkrnl64uc_8.04

CPENameOperatorVersion
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_7.53
sap:netweaver_as_abapsap netweaver as abapeqkernel_7.73
sap:netweaver_as_abapsap netweaver as abapeqkernel_7.77
sap:netweaver_as_abapsap netweaver as abapeqkernel_7.81
sap:netweaver_as_abapsap netweaver as abapeqkernel_7.82
sap:netweaver_as_abapsap netweaver as abapeqkernel_7.83
sap:netweaver_as_abapsap netweaver as abapeqkernel_8.04
sap:netweaver_as_abapsap netweaver as abapeqkrnl32nuc_7.22

CPE	Name	Operator	Version
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_7.53
sap:netweaver_as_abap	sap netweaver as abap	eq	kernel_7.73
sap:netweaver_as_abap	sap netweaver as abap	eq	kernel_7.77
sap:netweaver_as_abap	sap netweaver as abap	eq	kernel_7.81
sap:netweaver_as_abap	sap netweaver as abap	eq	kernel_7.82
sap:netweaver_as_abap	sap netweaver as abap	eq	kernel_7.83
sap:netweaver_as_abap	sap netweaver as abap	eq	kernel_8.04
sap:netweaver_as_abap	sap netweaver as abap	eq	krnl32nuc_7.22

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1-10 of 221

CNA Affected

[
  {
    "vendor": "SAP SE",
    "product": "SAP NetWeaver ABAP Server and ABAP Platform (Dispatcher)",
    "versions": [
      {
        "version": "< KRNL32NUC - 7.22",
        "status": "affected"
      },
      {
        "version": "< 7.22EXT",
        "status": "affected"
      },
      {
        "version": "< KRNL32UC - 7.22",
        "status": "affected"
      },
      {
        "version": "< KRNL64NUC - 7.22",
        "status": "affected"
      },
      {
        "version": "< 7.49",
        "status": "affected"
      },
      {
        "version": "< KRNL64UC - 8.04",
        "status": "affected"
      },
      {
        "version": "< 7.22",
        "status": "affected"
      },
      {
        "version": "< 7.53",
        "status": "affected"
      },
      {
        "version": "< 7.73",
        "status": "affected"
      },
      {
        "version": "< KERNEL - 7.22",
        "status": "affected"
      },
      {
        "version": "< 8.04",
        "status": "affected"
      },
      {
        "version": "< 7.77",
        "status": "affected"
      },
      {
        "version": "< 7.81",
        "status": "affected"
      },
      {
        "version": "< 7.82",
        "status": "affected"
      },
      {
        "version": "< 7.83",
        "status": "affected"
      }
    ]
  }
]

References

launchpad.support.sap.com/#/notes/3021197

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

Social References

5 Medium

CVSS2

Attack Vector

NETWORK

Attack 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

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

0.002 Low

EPSS

Percentile

52.1%

JSON

Related for CVE-2021-27607

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