Vulnerability Details CVE-2021-27630
SAP NetWeaver ABAP Server and ABAP Platform (Enqueue Server), 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, 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 EnqConvUniToSrvReq() causing the system to crash and rendering it unavailable. In this attack, no data in the system can be viewed or modified.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 54.8%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
Products affected by CVE-2021-27630
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cpe:2.3:a:sap:netweaver_as_abap:kernel_7.22
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cpe:2.3:a:sap:netweaver_as_abap:kernel_7.49
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cpe:2.3:a:sap:netweaver_as_abap:kernel_7.53
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cpe:2.3:a:sap:netweaver_as_abap:kernel_7.73
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cpe:2.3:a:sap:netweaver_as_abap:kernel_7.77
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cpe:2.3:a:sap:netweaver_as_abap:kernel_7.81
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cpe:2.3:a:sap:netweaver_as_abap:kernel_7.82
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cpe:2.3:a:sap:netweaver_as_abap:kernel_7.83
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cpe:2.3:a:sap:netweaver_as_abap:kernel_8.04
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cpe:2.3:a:sap:netweaver_as_abap:krnl32nuc_7.22
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cpe:2.3:a:sap:netweaver_as_abap:krnl32nuc_7.22ext
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cpe:2.3:a:sap:netweaver_as_abap:krnl64nuc_7.22
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cpe:2.3:a:sap:netweaver_as_abap:krnl64nuc_7.22ext
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cpe:2.3:a:sap:netweaver_as_abap:krnl64nuc_7.49
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cpe:2.3:a:sap:netweaver_as_abap:krnl64uc_7.22
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cpe:2.3:a:sap:netweaver_as_abap:krnl64uc_7.22ext
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cpe:2.3:a:sap:netweaver_as_abap:krnl64uc_7.49
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cpe:2.3:a:sap:netweaver_as_abap:krnl64uc_7.53
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cpe:2.3:a:sap:netweaver_as_abap:krnl64uc_7.73
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cpe:2.3:a:sap:netweaver_as_abap:krnl64uc_8.04