CVE-2021-30045

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

1.82% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 76.9% of scored records. A rank, not a probability.

NVD base score

9.1 (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:N/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

2021-04-06 12:09Z5 YR AGO

Last updated

2024-08-03 22:24Z2 YR AGO

Reserved

2021-04-02

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base

Data version

5.1

Document digest

ac89a03782dd12d3fb3ffbcfce2502f3f8dda129f706bb39710d631ac5277e9c

• github.comhttps://github.com/SerenityOS/serenity/issues/5975x_refsource_MISC
• github.comhttps://github.com/SerenityOS/serenity/pull/5977x_refsource_MISC
• github.comhttps://github.com/SerenityOS/serenity/commit/4317db7498eaa5a37068052bb0310fbc6a5f78e4x_refsource_MISC