Vulnerability · Published Jan 6, 2022 · Assigned by apache
CVE-2021-31522Apache Kylin unsafe class loading
Critical 9.8
In plain English
A critical-severity security flaw in Apache Kylin from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.0% (higher than 87% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)3.0%top 12.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | org.apache.kylin:kylin | 3.1.3 | GHSA-q656-g2x3-8cgh |
| Maven | org.apache.kylin:kylin | 4.0.1 | GHSA-q656-g2x3-8cgh |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache Kylin | Apache Kylin 2 – through 2.6.6Apache Kylin 3 – through 3.1.2Apache Kylin 4 – through 4.0.0 |
References
- https://lists.apache.org/thread/hh5crx3yr701zd8wtpqo1mww2rlkvznw x_refsource_MISC
- [oss-security] 20220106 CVE-2021-31522: Apache Kylin unsafe class loading mailing-list, x_refsource_MLIST