CVE-2021-31522

Common vulnerabilities & exposures (CVE)

CVE database CVE database blogpost Release & EoL database

Published at: - 06-01-2022 02:15

Last modified: - 12-01-2022 09:52

Total changes: - 2

Description

Kylin can receive user input and load any class through Class.forName(...). This issue affects Apache Kylin 2 version 2.6.6 and prior versions; Apache Kylin 3 version 3.1.2 and prior versions; Apache Kylin 4 version 4.0.0 and prior versions.

Common Vulnerability Scoring System (CVSS)

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

Low

Attack complexity

Network

Attack vector

High

Availability

High

Confidentiality

High

Integrity

None

Privileges required

Unchanged

Scope

None

User interaction

9.8

Base score

3.9

5.9

Exploitability score

Impact score

Verification logic

vendor=apache AND product=kylin AND versionEndIncluding=2.6.6 AND versionStartIncluding=2.0.0

vendor=apache AND product=kylin AND versionStartIncluding=3.0.0 AND versionEndExcluding=3.1.3

vendor=apache AND product=kylin AND version=4.0.0 AND update=-

vendor=apache AND product=kylin AND version=4.0.0 AND update=alpha

vendor=apache AND product=kylin AND version=4.0.0 AND update=beta

Reference

https://lists.apache.org/thread/hh5crx3yr701zd8wtpqo1mww2rlkvznw
[oss-security] 20220106 CVE-2021-31522: Apache Kylin unsafe class loading-Mailing List, Patch, Third Party Advisory

Keywords

CVE-2021-31522

Common vulnerabilities & exposures (CVE)

Description

Common Vulnerability Scoring System (CVSS)

Verification logic

Reference

NVD

CVE-2021-31522

CVE

Common vulnerabilities & exposures

CVSS

Common vulnerability scoring system

Security

Vulnerabilities

Exposures