CVE-2021-35977

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

1.57% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 75.0% 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

2021-10-08 14:19Z5 YR AGO

Last updated

2024-08-04 00:47Z2 YR AGO

Reserved

2021-06-30

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

95ebd6076770ee30c9f98d02c6f8b446209de49570a9a618a8d83118593570cb

• raw.githubusercontent.comhttps://raw.githubusercontent.com/reidmefirst/vuln-disclosure/main/2021-02.txtx_refsource_MISC