{ "data_type": "CVE", "data_format": "MITRE", "data_version": "4.0", "CVE_data_meta": { "ID": "CVE-2021-21974", "ASSIGNER": "security@vmware.com", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "n/a", "product": { "product_data": [ { "product_name": "VMware ESXi", "version": { "version_data": [ { "version_value": "7.0 before ESXi70U1c-17325551" }, { "version_value": "6.7 before ESXi670-202102401-SG" }, { "version_value": "6.5 before ESXi650-202102101-SG" } ] } }, { "product_name": "VMware Cloud Foundation", "version": { "version_data": [ { "version_value": "4.x before 4.2 and 3.x" } ] } } ] } } ] } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "OpenSLP heap-overflow vulnerability" } ] } ] }, "references": { "reference_data": [ { "refsource": "CONFIRM", "name": "https://www.vmware.com/security/advisories/VMSA-2021-0002.html", "url": "https://www.vmware.com/security/advisories/VMSA-2021-0002.html" }, { "refsource": "MISC", "name": "https://www.zerodayinitiative.com/advisories/ZDI-21-250/", "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-250/" }, { "refsource": "MISC", "name": "http://packetstormsecurity.com/files/162957/VMware-ESXi-OpenSLP-Heap-Overflow.html", "url": "http://packetstormsecurity.com/files/162957/VMware-ESXi-OpenSLP-Heap-Overflow.html" } ] }, "description": { "description_data": [ { "lang": "eng", "value": "OpenSLP as used in ESXi (7.0 before ESXi70U1c-17325551, 6.7 before ESXi670-202102401-SG, 6.5 before ESXi650-202102101-SG) has a heap-overflow vulnerability. A malicious actor residing within the same network segment as ESXi who has access to port 427 may be able to trigger the heap-overflow issue in OpenSLP service resulting in remote code execution." } ] } }