Medium severity6.3NVD Advisory· Published Jan 4, 2023· Updated Jun 17, 2026
CVE-2021-4300
CVE-2021-4300
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.
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Affected products
3up to 1.1.1.0-hal+ 1 more
- (no CPE)range: up to 1.1.1.0-hal
- (no CPE)range: n/a
Patches
Vulnerability mechanics
References
4- github.com/ghostlander/Halcyon/commit/0675b25ae9cc10b5fdc8ea3a32c642979762d45envdPatch
- vuldb.comnvdPermissions RequiredThird Party Advisory
- vuldb.comnvdPermissions RequiredThird Party Advisory
- github.com/ghostlander/Halcyon/releases/tag/v1.1.1.0-halnvdRelease Notes
News mentions
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