{"id":"CVE-2021-20076","aliases":["EUVD-2021-7538","GHSA-3ccq-6jj2-4rxc"],"status":"published","title":"Tenable.sc and Tenable.sc Core versions 5.13.0 through 5.17.0 were found to contain a...","description":"Tenable.sc and Tenable.sc Core versions 5.13.0 through 5.17.0 were found to contain a vulnerability that could allow an authenticated, unprivileged user to perform Remote Code Execution (RCE) on the Tenable.sc server via Hypertext Preprocessor unserialization.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.02055,"percentile":0.81451,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2021-03-03T16:30:39Z","modified":"2026-06-17T03:33:14Z","products":[{"vendor":"tenable","product":"tenable.sc"}],"references":[{"url":"https://www.tenable.com/security/tns-2021-03","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20076"},{"url":"https://github.com/advisories/GHSA-3ccq-6jj2-4rxc"}],"sources":{"cve":[{"id":"CVE-2021-20076","description":"Tenable.sc and Tenable.sc Core versions 5.13.0 through 5.17.0 were found to contain a vulnerability that could allow an authenticated, unprivileged user to perform Remote Code Execution (RCE) on the Tenable.sc server via Hypertext Preprocessor unserialization.","status":"published","published":"2021-03-03T16:30:39Z","modified":"2024-08-03T17:30:07.006Z","updated_at":"2026-11-02T14:32:55.564736Z"}],"euvd":[{"id":"EUVD-2021-7538","description":"Tenable.sc and Tenable.sc Core versions 5.13.0 through 5.17.0 were found to contain a vulnerability that could allow an authenticated, unprivileged user to perform Remote Code Execution (RCE) on the Tenable.sc server via Hypertext Preprocessor unserialization.","status":"published","published":"2021-03-03T16:30:39Z","modified":"2024-08-03T17:30:07Z","updated_at":"2026-11-03T03:25:09.841069Z"}],"ghsa":[{"id":"GHSA-3ccq-6jj2-4rxc","title":"Tenable.sc and Tenable.sc Core versions 5.13.0 through 5.17.0 were found to contain a...","description":"Tenable.sc and Tenable.sc Core versions 5.13.0 through 5.17.0 were found to contain a vulnerability that could allow an authenticated, unprivileged user to perform Remote Code Execution (RCE) on the Tenable.sc server via Hypertext Preprocessor unserialization.","status":"published","published":"2022-05-24T17:43:31Z","modified":"2023-01-29T05:05:55Z","cwes":["CWE-502"],"updated_at":"2026-11-02T14:45:54.221809Z"}],"nvd":[{"id":"CVE-2021-20076","description":"Tenable.sc and Tenable.sc Core versions 5.13.0 through 5.17.0 were found to contain a vulnerability that could allow an authenticated, unprivileged user to perform Remote Code Execution (RCE) on the Tenable.sc server via Hypertext Preprocessor unserialization.","status":"published","published":"2021-03-03T17:15:11.91Z","modified":"2026-06-17T03:33:14.133Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:06:50.399901Z"}]}}