{"answers":{"affected":"2 open source packages ship an affected version, including org.apache.kylin:kylin. It affects 1 product.","exploited":"There is no known exploitation of CVE-2021-36774 in the wild and no public exploit code.","fix":"Upgrade org.apache.kylin:kylin to 3.1.3 or later.","what":"CVE-2021-36774 is a medium-severity unsafe deserialization vulnerability in Apache Kylin, published on 6 Jan 2022. Any signed-in user can exploit it over the network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2021-36774 and fix it if it is affected.\n\nWhat it is: CVE-2021-36774 is a medium-severity unsafe deserialization vulnerability in Apache Kylin, published on 6 Jan 2022. Any signed-in user can exploit it over the network, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2021-36774 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- org.apache.kylin:kylin (Maven): affected all versions; fixed in 3.1.3\n- org.apache.kylin:kylin (Maven): affected all versions; fixed in 3.1.3\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2021-36774/ (Markdown: https://insights.sbomify.com/CVE-2021-36774/index.md)","id":"CVE-2021-36774","markdown":"https://insights.sbomify.com/CVE-2021-36774/index.md","name":"CVE-2021-36774","record":{"aliases":["GHSA-5429-pjww-7675"],"analysis":{"component_type":"server_software","fix_type":"upgrade","impacts":["code_execution"],"network_reachable":"yes","non_default_config":false,"product_category":"Apache Kylin","requires_auth":"low_privilege","summary":"An attacker can execute arbitrary code on Apache Kylin servers by connecting to a malicious MySQL server via the JDBC driver.","user_interaction":"not_required","vuln_class":"deserialization"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"apache","cpe":[{"product":"kylin","vendor":"apache"}],"cvss":{"score":6.5,"severity":"medium","source":"nvd","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"cwes":[],"description":"Apache Kylin allows users to read data from other database systems using JDBC. The MySQL JDBC driver supports certain properties, which, if left unmitigated, can allow an attacker to execute arbitrary code from a hacker-controlled malicious MySQL server within Kylin server processes. This issue affects Apache Kylin 2 version 2.6.6 and prior versions; Apache Kylin 3 version 3.1.2 and prior versions.","ecosystems":["Maven"],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":true,"headline":"Mysql JDBC Connector Deserialize RCE","id":"CVE-2021-36774","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"Maven","product":null,"products":[],"type":"deserialization","year":"2021"},"n_packages":2,"n_references":2,"next":{"headline":"Deleting PRTBs associated to a group doesn't cause deletion of corresponding RoleBindings","id":"CVE-2021-36775"},"packages":[{"ecosystem":"Maven","fixed":["3.1.3"],"introduced":["0"],"last_affected":[],"package":"org.apache.kylin:kylin","purl":null,"source":"GHSA-5429-pjww-7675"},{"ecosystem":"Maven","fixed":["3.1.3"],"introduced":["0"],"last_affected":[],"package":"org.apache.kylin:kylin","purl":"pkg:maven/org.apache.kylin/kylin","source":"GHSA-5429-pjww-7675"}],"prev":{"headline":"Denial of service in n/a","id":"CVE-2021-36773"},"products":["Apache Kylin"],"published":"2022-01-06","related":[{"cvss_score":8.8,"headline":"Apache Kylin OS Command Injection","id":"CVE-2020-1956","kev_date_added":"2022-03-25","published":"2020-05-22"},{"cvss_score":9.8,"headline":"Apache Kylin: SQL Injection Vulnerability in Catalog Cache Refresh API","id":"CVE-2026-62390","kev_date_added":null,"published":"2026-07-14"},{"cvss_score":9.8,"headline":"Apache Kylin: Command injection by Diagnosis Controller","id":"CVE-2022-44621","kev_date_added":null,"published":"2022-12-30"},{"cvss_score":9.8,"headline":"Apache Kylin vulnerable to remote code execution","id":"CVE-2022-24697","kev_date_added":null,"published":"2022-10-13"},{"cvss_score":9.8,"headline":"Apache Kylin unsafe class loading","id":"CVE-2021-31522","kev_date_added":null,"published":"2022-01-06"},{"cvss_score":9.8,"headline":"Command injection","id":"CVE-2021-45456","kev_date_added":null,"published":"2022-01-06"},{"cvss_score":9.8,"headline":"Command Injection in Kylin","id":"CVE-2020-13925","kev_date_added":null,"published":"2020-07-14"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CC BY 4.0","name":"GitHub Advisory Database","prefix":"GHSA"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":null,"exploitation":null,"technical_impact":null},"state":"PUBLISHED","updated":"2024-08-04","vendors":["Apache Software Foundation"]},"summary":"An attacker can execute arbitrary code on Apache Kylin servers by connecting to a malicious MySQL server via the JDBC driver.","url":"https://insights.sbomify.com/CVE-2021-36774/"}