CVE-2021-28149

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

15.92% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 96.6% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

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

2021-05-06 15:12Z5 YR AGO

Last updated

2024-08-03 21:40Z2 YR AGO

Reserved

2021-03-11

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')Base

Data version

5.1

Document digest

185781d7c64e8e3fa87a5919e91814a98ece12ddcb4c1aca3dd5e9f3de953cf2

• en.hongdian.comhttp://en.hongdian.com/Products/Details/H8922x_refsource_MISC
• ssd-disclosure.comhttps://ssd-disclosure.com/ssd-advisory-hongdian-h8922-multiple-vulnerabilities/x_refsource_MISC