CVE-2021-27633 - CVE House
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Status published High CVE-2021-27633

SAP NetWeaver AS for ABAP (RFC Gateway), versions - KRNL32NUC...

Vulnerability 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 ThCPIC() causing the system to crash and rendering it unavailable. In this attack, no data in the system can be viewed or modified.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

SAP NetWeaver AS for ABAP (RFC Gateway)
Vulnerable Versions:
< KRNL32NUC - 7.22, < 7.22EXT, < KRNL64NUC - 7.22, < 7.49, < KRNL64UC - 8.04, < 7.22, < 7.53, < 7.73, < KERNEL - 7.22, < 8.04, < 7.77, < 7.81, < 7.82, < 7.83

Timeline

Official Publish: June 9th, 2021
Last Modified: August 3rd, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)