Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2021-33684

Severity CVSS v4.0:
Pending analysis
Type:
CWE-787 Out-of-bounds Write
Publication date:
14/07/2021
Last modified:
06/10/2022

Description

SAP NetWeaver AS ABAP and ABAP Platform, versions - KRNL32NUC 7.21, 7.21EXT, 7.22, 7.22EXT, KRNL32UC 7.21, 7.21EXT, 7.22, 7.22EXT, KRNL64NUC 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49, KRNL64UC 8.04, 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49, 7.53, KERNEL 8.04, 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49, 7.53, 7.77, 7.81, 7.84, allows an attacker to send overlong content in the RFC request type thereby crashing the corresponding work process because of memory corruption vulnerability. The work process will attempt to restart itself after the crash and hence the impact on the availability is low.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVSS v3.1 Severity and Metrics:

Base Score: 5.30 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): Low

Base Score 3.x
5.30
Severity 3.x
MEDIUM
Vector 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:sap:netweaver_abap:7.21:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_abap:7.21ext:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_abap:7.22:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_abap:7.22ext:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_abap:7.49:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_abap:7.53:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_abap:7.77:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_abap:7.81:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_abap:kernel_8.04:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_abap:krnl32nuc_7.21:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_abap:krnl32uc_7.21:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_abap:krnl64nuc_7.21:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_abap:krnl64uc_8.04:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:7.21:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:7.21ext:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools