{"id":"CVE-2020-13921","aliases":["GHSA-grpf-gg7v-5g5h","PYSEC-2020-342"],"url":"https://o3.security/vulnerability/CVE-2020-13921","summary":"SQL Injection in Apache SkyWalking","details":"**Resolved** Only when using H2/MySQL/TiDB as Apache SkyWalking storage, there is a SQL injection vulnerability in the wildcard query cases.","published":"2020-08-05T14:15:12.327Z","modified":"2026-07-08T17:56:22.783473Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Maven","name":"org.apache.skywalking:oap-server","fixedVersion":"8.1.0"}],"fix":{"url":"https://github.com/apache/skywalking/pull/4970","label":"apache/skywalking#4970"},"references":[{"type":"WEB","url":"https://lists.apache.org/thread.html/r6f3a934ebc54585d8468151a494c1919dc1ee2cccaf237ec434dbbd6%40%3Cdev.skywalking.apache.org%3E"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2020/08/05/3"},{"type":"ADVISORY","url":"https://github.com/apache/skywalking/pull/4970"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T17:56:22.783473Z"}}