CVE-2021-42911

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

3.52% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 88.3% 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

2022-03-29 19:30Z4 YR AGO

Last updated

2024-08-04 03:47Z2 YR AGO

Reserved

2021-10-25

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-134Use of Externally-Controlled Format StringBase

Data version

5.1

Document digest

0e5e48c220e2a619c84f5ee000a06d0705094b63e90bf7bd0f2434e7b2958dd3

• gist.github.comhttps://gist.github.com/Cossack9989/e9c1c2d2e69b773ca4251acdd77f2835x_refsource_MISC