{"id":"CVE-2021-42857","aliases":["EUVD-2021-29812","GHSA-wcq9-68x2-x82m"],"status":"published","title":"Directory Traversal Partial Write at AgentDaServlet","description":"It was discovered that the SteelCentral AppInternals Dynamic Sampling Agent's (DSA) AgentDaServlet has directory traversal vulnerabilities at the \"/api/appInternals/1.0/agent/da/pcf\" API. The affected endpoint does not have any validation of the user's input that allows a malicious payload to be injected.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0115,"percentile":0.67157,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20","CWE-22"],"published":"2022-03-09T16:51:44Z","modified":"2026-06-17T04:10:13Z","products":[{"vendor":"aternity","product":"steelcentral appinternals dynamic sampling agent"},{"vendor":"riverbed","product":"steelcentral_appinternals_dynamic_sampling_agent"}],"references":[{"url":"https://aternity.force.com/customersuccess/s/article/Directory-Traversal-Partial-Write-at-AgentDaServlet-CVE-2021-42857","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-42857"},{"url":"https://github.com/advisories/GHSA-wcq9-68x2-x82m"}],"sources":{"cve":[{"id":"CVE-2021-42857","title":"Directory Traversal Partial Write at AgentDaServlet","description":"It was discovered that the SteelCentral AppInternals Dynamic Sampling Agent's (DSA) AgentDaServlet has directory traversal vulnerabilities at the \"/api/appInternals/1.0/agent/da/pcf\" API. The affected endpoint does not have any validation of the user's input that allows a malicious payload to be injected.","status":"published","published":"2022-03-09T16:51:44.553Z","modified":"2024-09-16T21:57:35.235Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:32:58.739039Z"}],"euvd":[{"id":"EUVD-2021-29812","description":"It was discovered that the SteelCentral AppInternals Dynamic Sampling Agent's (DSA) AgentDaServlet has directory traversal vulnerabilities at the \"/api/appInternals/1.0/agent/da/pcf\" API. The affected endpoint does not have any validation of the user's input that allows a malicious payload to be injected.","status":"published","published":"2022-03-09T16:51:44Z","modified":"2024-09-16T21:57:35Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-03T00:55:07.221362Z"}],"ghsa":[{"id":"GHSA-wcq9-68x2-x82m","title":"It was discovered that the SteelCentral AppInternals Dynamic Sampling Agent's (DSA)...","description":"It was discovered that the SteelCentral AppInternals Dynamic Sampling Agent's (DSA) AgentDaServlet has directory traversal vulnerabilities at the \"/api/appInternals/1.0/agent/da/pcf\" API. The affected endpoint does not have any validation of the user's input that allows a malicious payload to be injected.","status":"published","published":"2022-03-11T00:02:28Z","modified":"2023-01-27T05:00:38Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:41:43.766328Z"}],"nvd":[{"id":"CVE-2021-42857","description":"It was discovered that the SteelCentral AppInternals Dynamic Sampling Agent's (DSA) AgentDaServlet has directory traversal vulnerabilities at the \"/api/appInternals/1.0/agent/da/pcf\" API. The affected endpoint does not have any validation of the user's input that allows a malicious payload to be injected.","status":"published","published":"2022-03-10T17:44:08.953Z","modified":"2026-06-17T04:10:13.113Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-20","CWE-22"],"updated_at":"2026-11-02T14:07:05.198719Z"}]}}