Vulnerability in Apache Kylin
CVE-2021-31522
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.029 (86.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 86.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.029 · newest: 0.029 · change: 0.000
Affected products
- Apache Kylin — versions 4.0.0
- Apache Software Foundation Kylin — versions Apache Kylin 2, Apache Kylin 3, Apache Kylin 4
Weakness classification (CWE)
References
- lists.apache.org/thread/hh5crx3yr701zd8wtpqo1mww2rlkvznw (Patch, Vendor Advisory)
- www.openwall.com/lists/oss-security/2022/01/06/4 (mailing-list, Patch, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-31522?
- CVE-2021-31522 is a critical-severity vulnerability in Apache Kylin, classified under Use of Externally-Controlled Input to Select Classes or Code (Unsafe Reflection). CVSS score: 9.8/10. Published 2022-01-06.
- How severe is CVE-2021-31522?
- Critical severity. CVSS v3 base score is 9.8 out of 10.