{"cve":"CVE-2021-21978","nvd":{"published":"2021-03-03T18:15:14.177","modified":"2026-06-17T03:36:29.523","status":"Modified","description":"VMware View Planner 4.x prior to 4.6 Security Patch 1 contains a remote code execution vulnerability. Improper input validation and lack of authorization leading to arbitrary file upload in logupload web application. An unauthorized attacker with network access to View Planner Harness could upload and execute a specially crafted file leading to remote code execution within the logupload container.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-20","CWE-862"],"references":["http://packetstormsecurity.com/files/161879/VMware-View-Planner-4.6-Remote-Code-Execution.html","https://www.vmware.com/security/advisories/VMSA-2021-0003.html","http://packetstormsecurity.com/files/161879/VMware-View-Planner-4.6-Remote-Code-Execution.html","https://www.vmware.com/security/advisories/VMSA-2021-0003.html"],"products":["vmware:view_planner"],"source":"nvd","synced_at":"2026-10-19T21:15:50.279857260+00:00"},"epss":{"cve":"CVE-2021-21978","score":0.99005,"percentile":0.9993,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}