CVE-2021-3897

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

1.28% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 67.7% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

2022-04-22 21:10Z4 YR AGO

Last updated

2024-08-03 17:09Z2 YR AGO

Reserved

2021-10-22

Assigning CNA

lenovo

Record state

PUBLISHED

Severity

Critical (CVSS 9.8)

CNA CVSS vector

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

Weaknesses

• CWE-288Authentication Bypass Using an Alternate Path or ChannelBase

Data version

5.1

Document digest

a49612e89f9102cc13dc7362e0e081cea91d85344b407b2915b58c01b1309f17

• support.lenovo.comhttps://support.lenovo.com/us/en/product_security/LEN-72615x_refsource_MISC