Input Validation Flaw in SAP NetWeaver AS for ABAP by SAP
CVE-2021-27633

7.5HIGH

Key Information:

Vendor

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

What is CVE-2021-27633?

An input validation vulnerability in SAP NetWeaver AS for ABAP enables unauthenticated attackers to trigger an internal error by sending specially crafted packets over the network. This vulnerability affects multiple versions and can lead to system crashes, rendering the service unavailable without exposing or modifying data.

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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

JSON
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