{"id":"CVE-2021-36161","aliases":["EUVD-2021-2103","GHSA-qvm7-23cj-437v"],"status":"published","title":"Unprotected input value toString cause RCE","description":"Some component in Dubbo will try to print the formated string of the input arguments, which will possibly cause RCE for a maliciously customized bean with special toString method. In the latest version, we fix the toString call in timeout, cache and some other places. Fixed in Apache Dubbo 2.7.13","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":0.02467,"percentile":0.84623,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-134"],"published":"2021-09-09T07:45:11Z","modified":"2026-10-24T14:25:15Z","fixes":[{"ecosystem":"Maven","package":"org.apache.dubbo:dubbo","fixed_in":["2.7.13"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.apache.dubbo:dubbo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.13"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.apache.dubbo:dubbo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.13"}]}],"versions":["2.7.0","2.7.1","2.7.10","2.7.11","2.7.12","2.7.2","2.7.3","2.7.4","2.7.4.1","2.7.5","2.7.6","2.7.7","2.7.8","2.7.9"]}],"products":[{"vendor":"apache","product":"dubbo"},{"vendor":"apache software foundation","product":"apache dubbo"}],"references":[{"url":"https://lists.apache.org/thread.html/r40212261fd5d638074b65f22ac73eebe93ace310c79d4cfcca4863da%40%3Cdev.dubbo.apache.org%3E","tags":["x_refsource_MISC","x_transferred","Mailing List","Vendor Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-36161","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-qvm7-23cj-437v"},{"url":"https://github.com/apache/dubbo","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2021-36161","title":"Unprotected input value toString cause RCE","description":"Some component in Dubbo will try to print the formated string of the input arguments, which will possibly cause RCE for a maliciously customized bean with special toString method. In the latest version, we fix the toString call in timeout, cache and some other places. Fixed in Apache Dubbo 2.7.13","status":"published","published":"2021-09-09T07:45:11Z","modified":"2024-08-04T00:47:43.813Z","updated_at":"2026-11-02T14:33:05.989686Z"}],"euvd":[{"id":"EUVD-2021-2103","description":"Some component in Dubbo will try to print the formated string of the input arguments, which will possibly cause RCE for a maliciously customized bean with special toString method. In the latest version, we fix the toString call in timeout, cache and some other places. Fixed in Apache Dubbo 2.7.13","status":"published","published":"2021-09-09T07:45:11Z","modified":"2024-08-04T00:47:43Z","updated_at":"2026-11-03T03:24:29.877227Z"}],"ghsa":[{"id":"GHSA-qvm7-23cj-437v","title":"Remote Code Execution in Apache Dubbo","description":"Some component in Dubbo will try to print the formated string of the input arguments, which will possibly cause RCE for a maliciously customized bean with special toString method. In the latest version, we fix the toString call in timeout, cache and some other places. Fixed in Apache Dubbo 2.7.13","status":"published","published":"2021-09-10T17:54:37Z","modified":"2023-02-01T05:06:09Z","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-134"],"updated_at":"2026-11-02T14:36:37.441118Z"}],"nvd":[{"id":"CVE-2021-36161","description":"Some component in Dubbo will try to print the formated string of the input arguments, which will possibly cause RCE for a maliciously customized bean with special toString method. In the latest version, we fix the toString call in timeout, cache and some other places. Fixed in Apache Dubbo 2.7.13","status":"published","published":"2021-09-09T08:15:28.667Z","modified":"2026-06-17T03:58:26.49Z","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-134"],"updated_at":"2026-11-02T14:06:58.502206Z"}],"osv":[{"id":"CVE-2021-36161","description":"Some component in Dubbo will try to print the formated string of the input arguments, which will possibly cause RCE for a maliciously customized bean with special toString method. In the latest version, we fix the toString call in timeout, cache and some other places. Fixed in Apache Dubbo 2.7.13","status":"published","published":"2021-09-09T08:15:28.667Z","modified":"2026-10-24T14:25:15.929527117Z","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":"2026-11-02T15:44:20.434873Z"},{"id":"GHSA-qvm7-23cj-437v","title":"Remote Code Execution in Apache Dubbo","description":"Some component in Dubbo will try to print the formated string of the input arguments, which will possibly cause RCE for a maliciously customized bean with special toString method. In the latest version, we fix the toString call in timeout, cache and some other places. Fixed in Apache Dubbo 2.7.13","status":"published","published":"2021-09-10T17:54:37Z","modified":"2023-11-08T04:06:12.598303Z","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-134"],"updated_at":"2026-11-02T15:46:55.122811Z"}]}}