CVE-2021-33539

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

1.06% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 62.1% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/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

2021-06-25 18:26Z5 YR AGO

Last updated

2024-09-16 17:43Z1 YR AGO

Reserved

2021-05-24

Assigning CNA

CERTVDE

Record state

PUBLISHED

Severity

High (CVSS 7.2)

CNA CVSS vector

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

Weaknesses

• CWE-287Improper AuthenticationClass

Data version

5.1

Document digest

12fa12473262ea0c1532aca6040ee707c12c44b9ce2e1594a7a6ce4c3ff5cf92

• cert.vde.comhttps://cert.vde.com/en-us/advisories/vde-2021-026x_refsource_CONFIRM