Auth bypass in VMware View Planner

CVE-2021-21978

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.990 (99.9th percentile), scored .

Very high probability of exploitation in the next 30 days — among the top 0.1% most-likely-to-be-exploited CVEs. 100th percentile — 99.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-21978: held from 0.990 to 0.990.

EPSS over last 30 days · oldest: 0.990 · newest: 0.990 · change: 0.000

Affected products

  • VMware View Planner — versions 4.6
  • VMware View Planner — versions VMware View Planner 4.x prior to 4.6 Security Patch 1

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-21978?
CVE-2021-21978 is a critical-severity vulnerability in VMware View Planner, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2021-03-03.
How severe is CVE-2021-21978?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2021-21978 known to be exploited?
52 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.