CVE-2021-39193

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

1.19% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 65.7% of scored records. A rank, not a probability.

NVD base score

5.3 (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:N/I:L/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

2021-09-03 17:45Z5 YR AGO

Last updated

2024-08-04 01:58Z2 YR AGO

Reserved

2021-08-16

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 5.3)

CNA CVSS vector

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

Weaknesses

• CWE-20Improper Input ValidationClass
• CWE-1284Improper Validation of Specified Quantity in InputBase

Data version

5.1

Document digest

e8ebec056767ee2d2f1724bccb5980ce1bd0c9b839637997f9a6652b117e5d7e

• github.comhttps://github.com/paritytech/frontier/security/advisories/GHSA-hw4v-5x4h-c3xmx_refsource_CONFIRM
• github.comhttps://github.com/paritytech/frontier/pull/465x_refsource_MISC
• github.comhttps://github.com/paritytech/frontier/pull/465/commits/8a2b890a2fb477d5fedd0e4335b00623832849aex_refsource_MISC
• github.comhttps://github.com/paritytech/frontier/commit/0b962f218f0cdd796dadfe26c3f09e68f7861b26x_refsource_MISC