{"id":"CVE-2021-38294","aliases":["EUVD-2021-2167","GHSA-6768-mcjc-8223","OESA-2021-1415"],"status":"published","title":"Shell Command Injection Vulnerability in Nimbus Thrift Server","description":"A Command Injection vulnerability exists in the getTopologyHistory service of the Apache Storm 2.x prior to 2.2.1 and Apache Storm 1.x prior to 1.2.4. A specially crafted thrift request to the Nimbus server allows Remote Code Execution (RCE) prior to authentication.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.83805,"percentile":0.99693,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-74","CWE-78"],"published":"2021-10-25T12:22:36Z","modified":"2026-10-24T10:30:38Z","exploits":[{"source":"metasploit","id":"exploit/linux/misc/nimbus_gettopologyhistory_cmd_exec","title":"Apache Storm Nimbus getTopologyHistory Unauthenticated Command Execution","type":"exploit","platform":"Linux,Unix","date":"2021-10-25","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/linux/misc/nimbus_gettopologyhistory_cmd_exec"}],"fixes":[{"ecosystem":"Maven","package":"org.apache.storm:storm","fixed_in":["2.2.1","2.1.1","1.2.4"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.apache.storm:storm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.2.0"},{"fixed":"2.2.1"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"org.apache.storm:storm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0.0"},{"fixed":"2.1.1"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"org.apache.storm:storm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0.0"},{"fixed":"1.2.4"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.apache.storm:storm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.2.0"},{"fixed":"2.2.1"}]}],"versions":["2.2.0"]},{"source":"osv","ecosystem":"Maven","package":"org.apache.storm:storm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0.0"},{"fixed":"2.1.1"}]}],"versions":["2.0.0","2.1.0"]},{"source":"osv","ecosystem":"Maven","package":"org.apache.storm:storm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0.0"},{"fixed":"1.2.4"}]}],"versions":["1.0.0","1.0.1","1.0.2","1.0.3","1.0.4","1.0.5","1.0.6","1.1.0","1.1.1","1.1.2","1.1.3","1.2.0","1.2.1","1.2.2","1.2.3"]},{"source":"osv","ecosystem":"openEuler:20.03-LTS-SP1","package":"storm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.4-1.oe1"}]}],"bundled":2},{"source":"osv","ecosystem":"openEuler:20.03-LTS-SP2","package":"storm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.4-1.oe1"}]}],"bundled":2}],"products":[{"vendor":"apache","product":"storm"},{"vendor":"apache software foundation","product":"apache storm"}],"references":[{"url":"https://lists.apache.org/thread.html/r5fe881f6ca883908b7a0f005d35115af49f43beea7a8b0915e377859%40%3Cuser.storm.apache.org%3E","tags":["x_refsource_MISC","x_transferred","Mailing List","Vendor Advisory","advisory","web"]},{"url":"https://seclists.org/oss-sec/2021/q4/44","tags":["x_refsource_MISC","x_transferred","Mailing List","Third Party Advisory","advisory","web"]},{"url":"http://packetstormsecurity.com/files/165019/Apache-Storm-Nimbus-2.2.0-Command-Execution.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry","evidence","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-38294","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-6768-mcjc-8223"},{"url":"https://github.com/apache/storm","tags":["package"]},{"url":"https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1415","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-40865","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2021-38294","title":"Shell Command Injection Vulnerability in Nimbus Thrift Server","description":"A Command Injection vulnerability exists in the getTopologyHistory service of the Apache Storm 2.x prior to 2.2.1 and Apache Storm 1.x prior to 1.2.4. A specially crafted thrift request to the Nimbus server allows Remote Code Execution (RCE) prior to authentication.","status":"published","published":"2021-10-25T12:22:36Z","modified":"2024-08-04T01:37:16.384Z","cwes":["CWE-74"],"updated_at":"2026-11-02T14:33:07.349244Z"}],"euvd":[{"id":"EUVD-2021-2167","description":"A Command Injection vulnerability exists in the getTopologyHistory service of the Apache Storm 2.x prior to 2.2.1 and Apache Storm 1.x prior to 1.2.4. A specially crafted thrift request to the Nimbus server allows Remote Code Execution (RCE) prior to authentication.","status":"published","published":"2021-10-25T12:22:36Z","modified":"2024-08-04T01:37:16Z","updated_at":"2026-11-03T03:24:25.244479Z"}],"ghsa":[{"id":"GHSA-6768-mcjc-8223","title":"Command injection leading to Remote Code Execution in Apache Storm","description":"A Command Injection vulnerability exists in the getTopologyHistory service of the Apache Storm 2.x prior to 2.2.1 and Apache Storm 1.x prior to 1.2.4. A specially crafted thrift request to the Nimbus server allows Remote Code Execution (RCE) prior to authentication.","status":"published","published":"2021-10-27T18:51:22Z","modified":"2023-01-31T05:04:36Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-74","CWE-78"],"updated_at":"2026-11-02T14:36:29.957996Z"}],"nvd":[{"id":"CVE-2021-38294","description":"A Command Injection vulnerability exists in the getTopologyHistory service of the Apache Storm 2.x prior to 2.2.1 and Apache Storm 1.x prior to 1.2.4. A specially crafted thrift request to the Nimbus server allows Remote Code Execution (RCE) prior to authentication.","status":"published","published":"2021-10-25T13:15:07.957Z","modified":"2026-06-17T04:01:49.013Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-74","CWE-78"],"updated_at":"2026-11-02T14:07:00.137719Z"}],"osv":[{"id":"CVE-2021-38294","description":"A Command Injection vulnerability exists in the getTopologyHistory service of the Apache Storm 2.x prior to 2.2.1 and Apache Storm 1.x prior to 1.2.4. A specially crafted thrift request to the Nimbus server allows Remote Code Execution (RCE) prior to authentication.","status":"published","published":"2021-10-25T13:15:07.957Z","modified":"2026-10-24T10:30:38.022460147Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:20.843843Z"},{"id":"GHSA-6768-mcjc-8223","title":"Command injection leading to Remote Code Execution in Apache Storm","description":"A Command Injection vulnerability exists in the getTopologyHistory service of the Apache Storm 2.x prior to 2.2.1 and Apache Storm 1.x prior to 1.2.4. A specially crafted thrift request to the Nimbus server allows Remote Code Execution (RCE) prior to authentication.","status":"published","published":"2021-10-27T18:51:22Z","modified":"2023-11-08T04:06:27.082122Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-74","CWE-78"],"updated_at":"2026-11-02T15:46:39.266402Z"},{"id":"OESA-2021-1415","title":"storm security update","description":"Apache Storm realtime computation system\r\n\r\nSecurity Fix(es):\r\n\r\nAn Unsafe Deserialization vulnerability exists in the worker services of the Apache Storm supervisor server allowing pre-auth Remote Code Execution (RCE). Apache Storm 2.2.x users should upgrade to version 2.2.1 or 2.3.0. Apache Storm 2.1.x users should upgrade to version 2.1.1. Apache Storm 1.x users should upgrade to version 1.2.4.(CVE-2021-40865)\nA Command Injection vulnerability exists in the getTopologyHistory service of the Apache Storm 2.x prior to 2.2.1 and Apache Storm 1.x prior to 1.2.4. A specially crafted thrift request to the Nimbus server allows Remote Code Execution (RCE) prior to authentication.(CVE-2021-38294)","status":"published","published":"2021-11-04T11:04:41Z","modified":"2026-08-18T01:16:10.438501891Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:52:38.987987Z"}]}}