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CVE-2021-27631
CVE ID
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CVE-2021-27631
MITRE ATT&CK
Collection
Command and Control
Credential Access
Defense Evasion
Discovery
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Topic Tags
Description
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.
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CVSS V3 Severity and Metrics
General Information
Vendors
Products
- netweaver as abap kernel 7.22,
- netweaver as abap kernel 7.49,
- netweaver as abap kernel 7.53,
- netweaver as abap kernel 7.73,
- netweaver as abap kernel 7.77,
- netweaver as abap kernel 7.81,
- netweaver as abap kernel 7.82,
- netweaver as abap kernel 7.83,
- netweaver as abap kernel 8.04,
- netweaver as abap krnl32nuc 7.22,
- netweaver as abap krnl32nuc 7.22ext,
- netweaver as abap krnl64nuc 7.22,
- netweaver as abap krnl64nuc 7.22ext,
- netweaver as abap krnl64nuc 7.49,
- netweaver as abap krnl64uc 7.22,
- netweaver as abap krnl64uc 7.22ext,
- netweaver as abap krnl64uc 7.49,
- netweaver as abap krnl64uc 7.53,
- netweaver as abap krnl64uc 7.73,
- netweaver as abap krnl64uc 8.04
References
Additional Info
Technical Analysis
Report as Emergent Threat Response
Report as Zero-day Exploit
Report as Exploited in the Wild
CVE ID
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