CVE-2021-27597

High

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

SeverityHigh
CVSS7.5
Exploit probability—
ProductSap Netweaver Abap
PublishedJun 9, 2021
First seenJun 9, 2021

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
sap netweaver_abapkernel_7.22, kernel_7.49, kernel_7.53, kernel_7.73, kernel_8.04, krnl32nuc_7.22, krnl32nuc_7.22ext, krnl64nuc_7.22, krnl64nuc_7.22ext, krnl64nuc_7.49, krnl64uc_7.22, krnl64uc_7.22ext, krnl64uc_7.49, krnl64uc_7.53, krnl64uc_7.73, krnl64uc_8.04—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.