Vulnerability Details : CVE-2021-4300

A vulnerability has been found in ghostlander Halcyon and classified as critical. Affected by this vulnerability is the function CBlock::AddToBlockIndex of the file src/main.cpp of the component Block Verification. The manipulation leads to improper access controls. The attack can be launched remotely. Upgrading to version 1.1.1.0-hal is able to address this issue. The identifier of the patch is 0675b25ae9cc10b5fdc8ea3a32c642979762d45e. It is recommended to upgrade the affected component. The identifier VDB-217417 was assigned to this vulnerability.
Published 2023-01-04 22:15:09
Updated 2024-05-17 02:03:33
Source VulDB
View at NVD,   CVE.org
Vulnerability category: BypassGain privilege

Exploit prediction scoring system (EPSS) score for CVE-2021-4300

EPSS FAQ
0.16%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 54 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-4300

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.5
 MEDIUM AV:N/AC:L/Au:S/C:P/I:P/A:P
8.0
6.4
 VulDB
6.3
 MEDIUM CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
2.8
3.4
 VulDB
6.3
 MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
2.8
3.4
 VulDB
9.8
 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
 NIST

CWE ids for CVE-2021-4300

  • The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
    Assigned by: cna@vuldb.com (Secondary)

References for CVE-2021-4300

Products affected by CVE-2021-4300

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