CVE-2020-12439 Information

Description

Grin before 3.1.0 allows attackers to adversely affect availability of data on a Mimblewimble blockchain.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Reference

https://github.com/mimblewimble/grin/issues/3235 https://github.com/mimblewimble/grin/pull/3236 https://github.com/mimblewimble/grin-security/blob/master/CVEs/CVE-2020-12439.md

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

LOW

Base Severity

5.3