CVE-2021-3728

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

0.50% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 42.6% 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:N/UI:R/S:U/C:N/I:H/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

2021-08-23 12:41Z5 YR AGO

Last updated

2024-08-03 17:01Z2 YR AGO

Reserved

2021-08-20

Assigning CNA

@huntrdev

Record state

PUBLISHED

Severity

Medium (CVSS 6.5)

CNA CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weaknesses

• CWE-352Cross-Site Request Forgery (CSRF)Compound

Data version

5.1

Document digest

d1c3c7c7e251d5004e969832004e280c9d3eb87c05d2a307ceef3547f30c4c62

• huntr.devhttps://huntr.dev/bounties/dd54c5a1-0d4a-4f02-a111-7ce4ddc67a4dx_refsource_CONFIRM
• github.comhttps://github.com/firefly-iii/firefly-iii/commit/14cdce113e0eb8090d09066fcd2b5cf03b5ac84ex_refsource_MISC