CVE-2020-12439

CVSS V2 Medium 5 CVSS V3 Medium 5.3

Description

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

Overview

CVE ID
CVE-2020-12439

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2020-05-05T22:15:12

Last Modified Date
2020-05-14T19:47:33

Weakness Enumerations

CWE	URL
CWE-404	http://cwe.mitre.org/data/definitions/404.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:grin:grin::::::::	1	OR		3.1.0

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
NONE

Integrity Impact
NONE

Availability Impact
PARTIAL

Base Score
5

Severity
MEDIUM

Exploitability Score
10

Impact Score
2.9

CVSS Version 3

Version
3.1

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
NONE

Availability Impact
LOW

Base Score
5.3

Base Severity
MEDIUM

Exploitability Score
3.9

Impact Score
1.4

References

Reference URL	Reference Tags
https://github.com/mimblewimble/grin-security/blob/master/CVEs/CVE-2020-12439.md	Third Party Advisory
https://github.com/mimblewimble/grin/pull/3236	Patch Third Party Advisory
https://github.com/mimblewimble/grin/issues/3235	Issue Tracking Patch Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2020-12439
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12439

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 17:32:13				Added to TrackCVE
2022-12-04 16:08:27	2020-05-05T22:15Z	2020-05-05T22:15:12	CVE Published Date	updated
2022-12-04 16:08:27		2020-05-14T19:47:33	CVE Modified Date	updated
2022-12-04 16:08:27		Analyzed	Vulnerability Status	updated