Vulnerability Details : CVE-2021-27607
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.
Products affected by CVE-2021-27607
- cpe:2.3:a:sap:netweaver_as_abap:kernel_7.22:*:*:*:*:*:*:*
- cpe:2.3:a:sap:netweaver_as_abap:kernel_7.49:*:*:*:*:*:*:*
- cpe:2.3:a:sap:netweaver_as_abap:kernel_7.53:*:*:*:*:*:*:*
- cpe:2.3:a:sap:netweaver_as_abap:kernel_7.73:*:*:*:*:*:*:*
- cpe:2.3:a:sap:netweaver_as_abap:kernel_7.77:*:*:*:*:*:*:*
- cpe:2.3:a:sap:netweaver_as_abap:kernel_7.81:*:*:*:*:*:*:*
- cpe:2.3:a:sap:netweaver_as_abap:kernel_7.82:*:*:*:*:*:*:*
- cpe:2.3:a:sap:netweaver_as_abap:kernel_7.83:*:*:*:*:*:*:*
- cpe:2.3:a:sap:netweaver_as_abap:kernel_8.04:*:*:*:*:*:*:*
- cpe:2.3:a:sap:netweaver_as_abap:krnl32nuc_7.22:*:*:*:*:*:*:*
- cpe:2.3:a:sap:netweaver_as_abap:krnl32nuc_7.22ext:*:*:*:*:*:*:*
- cpe:2.3:a:sap:netweaver_as_abap:krnl64nuc_7.22:*:*:*:*:*:*:*
- cpe:2.3:a:sap:netweaver_as_abap:krnl64nuc_7.22ext:*:*:*:*:*:*:*
- cpe:2.3:a:sap:netweaver_as_abap:krnl64nuc_7.49:*:*:*:*:*:*:*
- cpe:2.3:a:sap:netweaver_as_abap:krnl64uc_8.04:*:*:*:*:*:*:*
- cpe:2.3:a:sap:netweaver_as_abap:krnl64uc_7.22:*:*:*:*:*:*:*
- cpe:2.3:a:sap:netweaver_as_abap:krnl64uc_7.22ext:*:*:*:*:*:*:*
- cpe:2.3:a:sap:netweaver_as_abap:krnl64uc_7.49:*:*:*:*:*:*:*
- cpe:2.3:a:sap:netweaver_as_abap:krnl64uc_7.53:*:*:*:*:*:*:*
- cpe:2.3:a:sap:netweaver_as_abap:krnl64uc_7.73:*:*:*:*:*:*:*
- cpe:2.3:a:sap:netweaver_as_abap:krnl32uc_7.22:*:*:*:*:*:*:*
- cpe:2.3:a:sap:netweaver_as_abap:krnl32uc_7.22ext:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-27607
0.16%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 51 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-27607
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
SAP SE | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2021-27607
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by:
- cna@sap.com (Primary)
- nvd@nist.gov (Secondary)
References for CVE-2021-27607
-
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999
SAP Security Patch Day – June 2021 - Product Security Response at SAP - Community WikiBroken Link;Vendor Advisory
-
https://launchpad.support.sap.com/#/notes/3021197
SAP ONE Support Launchpad: Log OnPermissions Required;Vendor Advisory
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