Improper Input Validation Vulnerability in SAP NetWeaver AS for ABAP
CVE-2021-27634

7.5HIGH

Key Information:

Vendor

SAP
Status
SAP Netweaver As For Abap (rfc Gateway)
Vendor
CVE Published:
9 June 2021

What is CVE-2021-27634?

This vulnerability exists in SAP NetWeaver AS for ABAP, allowing unauthenticated attackers to send specially crafted packets that exploit improper input validation in the ThCpicDtCreate() method. This leads to an internal error resulting in system crashes and unavailability. Importantly, this attack does not permit viewing or modifying any data within the affected systems.

Affected Version(s)

SAP NetWeaver AS for ABAP (RFC Gateway) < KRNL32NUC - 7.22 < KRNL32NUC - 7.22

SAP NetWeaver AS for ABAP (RFC Gateway) < 7.22EXT < 7.22EXT

SAP NetWeaver AS for ABAP (RFC Gateway) < KRNL64NUC - 7.22 < KRNL64NUC - 7.22

References

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

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.