{"id":"CVE-2021-26471","aliases":["EUVD-2021-13276","GHSA-rpcc-jvgm-8vrr"],"status":"published","title":"Unauthenticated remote command execution in Vembu products","description":"In VembuBDR before 4.2.0.1 and VembuOffsiteDR before 4.2.0.1, the http API located at /sgwebservice_o.php accepts a command argument. Using this command argument an unauthenticated attacker can execute arbitrary shell commands.","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":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.02261,"percentile":0.83241,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-06-08T18:36:14Z","modified":"2026-06-17T03:43:25Z","products":[{"vendor":"vembu","product":"bdr_suite"},{"vendor":"vembu","product":"offsite_dr"}],"references":[{"url":"https://csirt.divd.nl/cves/CVE-2021-26471/","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://csirt.divd.nl/cases/DIVD-2020-00011/","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://csirt.divd.nl/2021/05/11/Vembu-zero-days/","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://www.wbsec.nl/vembu","tags":["x_refsource_CONFIRM","x_transferred","Broken Link","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-26471"},{"url":"https://www.divd.nl/"},{"url":"https://github.com/advisories/GHSA-rpcc-jvgm-8vrr"}],"sources":{"cve":[{"id":"CVE-2021-26471","title":"Unauthenticated remote command execution in Vembu products","description":"In VembuBDR before 4.2.0.1 and VembuOffsiteDR before 4.2.0.1, the http API located at /sgwebservice_o.php accepts a command argument. Using this command argument an unauthenticated attacker can execute arbitrary shell commands.","status":"published","published":"2021-06-08T18:36:14.329Z","modified":"2024-09-16T16:22:33.725Z","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":"cna"}],"updated_at":"2026-11-02T14:32:57.368269Z"}],"euvd":[{"id":"EUVD-2021-13276","description":"In VembuBDR before 4.2.0.1 and VembuOffsiteDR before 4.2.0.1, the http API located at /sgwebservice_o.php accepts a command argument. Using this command argument an unauthenticated attacker can execute arbitrary shell commands.","status":"published","published":"2021-06-08T18:36:14Z","modified":"2024-09-16T16:22:33Z","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":"2026-11-03T00:55:52.590586Z"}],"ghsa":[{"id":"GHSA-rpcc-jvgm-8vrr","title":"Vembu BDR Suite before 4.2.0 allows Unauthenticated Remote Code Execution by placing a command in...","description":"Vembu BDR Suite before 4.2.0 allows Unauthenticated Remote Code Execution by placing a command in a GET request (issue 1 of 2).","status":"published","published":"2022-05-24T19:04:18Z","modified":"2023-01-29T05:06:27Z","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":"2026-11-02T14:46:01.927509Z"}],"nvd":[{"id":"CVE-2021-26471","description":"In VembuBDR before 4.2.0.1 and VembuOffsiteDR before 4.2.0.1, the http API located at /sgwebservice_o.php accepts a command argument. Using this command argument an unauthenticated attacker can execute arbitrary shell commands.","status":"published","published":"2021-06-08T19:15:08.227Z","modified":"2026-06-17T03:43:25.917Z","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":"secondary"},{"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"}],"updated_at":"2026-11-02T14:06:54.439974Z"}]}}