CVE-2021-21999

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

1.47% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 71.9% of scored records. A rank, not a probability.

NVD base score

7.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2021-06-23 11:16Z5 YR AGO

Last updated

2024-08-03 18:30Z2 YR AGO

Reserved

2021-01-04

Assigning CNA

vmware

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-427Uncontrolled Search Path ElementBase

Data version

5.1

Document digest

0b9d902da57903e6e1b1d4ab1372ef1bce9faab7d52e3bba5a9fea717839ef19

• www.vmware.comhttps://www.vmware.com/security/advisories/VMSA-2021-0013.htmlx_refsource_MISC
• www.zerodayinitiative.comhttps://www.zerodayinitiative.com/advisories/ZDI-21-754/x_refsource_MISC