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Vulnerability · Published Jul 14, 2021 · Assigned by sap

CVE-2021-33684

Medium 5.3

In plain English

A medium-severity out-of-bounds write in SAP NetWeaver AS ABAP and ABAP Platform from SAP SE. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 63% of all known vulnerabilities).

Severity (CVSS 3.0)5.3Medium
Exploit odds (30 days)1.0%top 37.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

SAP NetWeaver AS ABAP and ABAP Platform, versions - KRNL32NUC 7.21, 7.21EXT, 7.22, 7.22EXT, KRNL32UC 7.21, 7.21EXT, 7.22, 7.22EXT, KRNL64NUC 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49, KRNL64UC 8.04, 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49, 7.53, KERNEL 8.04, 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49, 7.53, 7.77, 7.81, 7.84, allows an attacker to send overlong content in the RFC request type thereby crashing the corresponding work process because of memory corruption vulnerability. The work process will attempt to restart itself after the crash and hence the impact on the availability is low.

Affected products (as reported)

VendorProductVersions
SAP SE SAP NetWeaver AS ABAP and ABAP Platform < KRNL32NUC 7.21< 7.21EXT< 7.22< 7.22EXT< KRNL32UC 7.21< KRNL64NUC 7.21< 7.49< KRNL64UC 8.04

Weakness: CWE-787 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References