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CVE-2021-27634

Published: Jun 9, 2021Updated: Nov 21, 2024 Sources: CVE List NVDCWE-787
NVD MITRE
5.9CVSSMEDIUM
EPSS Score
1.3%
Top 32.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

SAP NetWeaver AS for ABAP (RFC Gateway), 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 - 7.22,8.04,7.49,7.53,7.73,7.77,7.81,7.82,7.83, 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 ThCpicDtCreate () causing the system to crash and rendering it unavailable. In this attack, no data in the system can be viewed or modified.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-787

Affected Products

SAP NetWeaver AS for ABAP (RFC Gateway)SAP SE
On-prem
Enterprise Software / erp
netweaver abapsap
On-premWeb App
Enterprise Software / erp
sap secommercialDEEnterprise Softwareaka sap
sapcommercialDEEnterprise Softwareaka sap ag

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999
wiki.scn.sap.com
https://launchpad.support.sap.com/#/notes/3020209
launchpad.support.sap.com

Timeline

Published
Jun 9, 2021
Last Updated
Nov 21, 2024

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