CVE-2021-45428

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

56.93% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 99.0% 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

2022-01-03 13:25Z4 YR AGO

Last updated

2024-08-04 04:39Z2 YR AGO

Reserved

2021-12-20

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-639Authorization Bypass Through User-Controlled KeyBase

Data version

5.1

Document digest

9c508c974dcc744ee21bdf307347eafe3f8503806d68aba6bfe63d7e435b2c89

• drive.google.comhttps://drive.google.com/file/d/1wM1SPOfB9mH2SES7cAmlysuI9fOpFB3F/view?usp=sharingx_refsource_MISC
• packetstormsecurity.comhttp://packetstormsecurity.com/files/167101/TLR-2005KSH-Arbitrary-File-Upload.htmlx_refsource_MISC