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01 Record

CVE-2021-26634

Maxboard multiple vulnerabilities

CriticalPUBLISHEDCNA: krcert
CNA base score9.8 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

02 Description

Maxboard multiple vulnerabilities

03 Exploitation and scoring

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
1.37% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 71.7% 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.

04 Metadata

Published
2022-06-01 14:59Z4 YR AGO
Last updated
2024-08-03 20:26Z2 YR AGO
Reserved
2021-02-03
Assigning CNA
krcert
Record state
PUBLISHED
Severity
Critical (CVSS 9.8)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
  • CWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')Base
  • CWE-288Authentication Bypass Using an Alternate Path or ChannelBase
  • CWE-434Unrestricted Upload of File with Dangerous TypeBase
Data version
5.1
Document digest
6565805436b55bd2214ce54cd3ebe6d5e335a1487b9e1fad47e77e7f7af27286

05 Affected products

VendorProductVersionsPlatforms
Max YiMaxboard<= 1.9.5.1Linux

06 References