CVE-2021-28953

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

1.01% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 60.5% of scored records. A rank, not a probability.

NVD base score

7.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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

2021-03-21 04:16Z5 YR AGO

Last updated

2024-08-03 21:55Z2 YR AGO

Reserved

2021-03-21

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-427Uncontrolled Search Path ElementBase

Data version

5.1

Document digest

9787c2e40a3fd1315426d96efd969ec068939c47e1d28aa471c1a8639f554f58

• marketplace.visualstudio.comhttps://marketplace.visualstudio.com/items?itemName=jbenden.c-cpp-flylintx_refsource_MISC
• github.comhttps://github.com/jbenden/vscode-c-cpp-flylint/compare/v1.8.2...v1.9.0x_refsource_MISC
• vuln.ryotak.mehttps://vuln.ryotak.me/advisories/16x_refsource_MISC