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.

• CWE-284

• https://github.com/ghostlander/Halcyon/commit/0675b25ae9cc10b5fdc8ea3a32c642979762d45ePatch
• https://github.com/ghostlander/Halcyon/releases/tag/v1.1.1.0-halRelease Notes
• https://vuldb.com/?ctiid.217417Permissions Required, Third Party Advisory
• https://vuldb.com/?id.217417Permissions Required, Third Party Advisory
• https://github.com/ghostlander/Halcyon/commit/0675b25ae9cc10b5fdc8ea3a32c642979762d45ePatch
• https://github.com/ghostlander/Halcyon/releases/tag/v1.1.1.0-halRelease Notes
• https://vuldb.com/?ctiid.217417Permissions Required, Third Party Advisory
• https://vuldb.com/?id.217417Permissions Required, Third Party Advisory

Published

Jan 4, 2023

Last Modified

Jun 17, 2026

Status

Modified

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