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.
Vulnerability category: BypassGain privilege
Products affected by CVE-2021-4300
- cpe:2.3:a:halcyon_project:halcyon:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-4300
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 15 %
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
-
https://github.com/ghostlander/Halcyon/commit/0675b25ae9cc10b5fdc8ea3a32c642979762d45e
Block Verification Vulnerability Eliminated · ghostlander/Halcyon@0675b25 · GitHubPatch
-
https://vuldb.com/?ctiid.217417
Permissions Required;Third Party Advisory
-
https://github.com/ghostlander/Halcyon/releases/tag/v1.1.1.0-hal
Release Halcyon v1.1.1.0 · ghostlander/Halcyon · GitHubRelease Notes
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https://vuldb.com/?id.217417
Permissions Required;Third Party Advisory
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