CVE-2021-30167

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

2.44% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 83.9% 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

2021-04-28 09:30Z5 YR AGO

Last updated

2024-09-17 02:32Z2 YR AGO

Reserved

2021-04-06

Assigning CNA

twcert

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-522Insufficiently Protected CredentialsClass
• CWE-306Missing Authentication for Critical FunctionBase

Data version

5.1

Document digest

618526ce8550a8c59ba41676cdcb74c1bf18e650e4cae144f00a85ed0576a041

• www.twcert.org.twhttps://www.twcert.org.tw/tw/cp-132-4676-391a5-1.htmlx_refsource_MISC
• www.meritlilin.comhttps://www.meritlilin.com/assets/uploads/support/file/M00166-TW.pdfx_refsource_MISC
• gist.github.comhttps://gist.github.com/keniver/86ebef688fb274b534da51ef1a84dd3ex_refsource_MISC
• www.chtsecurity.comhttps://www.chtsecurity.com/news/0b733a38-e616-4ff3-86a6-13e710643388x_refsource_MISC