VULNERABILITY INTELLIGENCE

CVE-2021-4300

CVSS score6.3 MEDIUM
EPSS probability0.69%
CISA KEVNot currently listed
Published2023-01-04
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Description

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.

Weakness classification

  • cna@vuldb.com: CWE-284
  • nvd@nist.gov: NVD-CWE-Other

Primary references