{"id":"CVE-2021-20253","aliases":["EUVD-2021-7691","GHSA-rr45-4xhx-rxc8"],"status":"published","title":"A flaw was found in ansible-tower. The default installation is vulnerable to Job Isolation escape...","description":"A flaw was found in ansible-tower. The default installation is vulnerable to Job Isolation escape allowing an attacker to elevate the privilege from a low privileged user to the awx user from outside the isolated environment. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.","severity":{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00411,"percentile":0.35695,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-552"],"published":"2021-03-09T17:14:28Z","modified":"2026-06-17T03:33:33Z","exploits":[{"source":"pocgithub","id":"mbadanoiu/CVE-2021-20253","title":"mbadanoiu/CVE-2021-20253","date":"2023-11-25","url":"https://github.com/mbadanoiu/CVE-2021-20253"}],"products":[{"vendor":"red hat","product":"ansible-tower"},{"vendor":"redhat","product":"ansible_tower"}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1928847","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20253"},{"url":"https://github.com/advisories/GHSA-rr45-4xhx-rxc8"}],"sources":{"cve":[{"id":"CVE-2021-20253","description":"A flaw was found in ansible-tower. The default installation is vulnerable to Job Isolation escape allowing an attacker to elevate the privilege from a low privileged user to the awx user from outside the isolated environment. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.","status":"published","published":"2021-03-09T17:14:28Z","modified":"2024-08-03T17:37:22.981Z","cwes":["CWE-552"],"updated_at":"2026-11-02T14:32:55.564736Z"}],"euvd":[{"id":"EUVD-2021-7691","description":"A flaw was found in ansible-tower. The default installation is vulnerable to Job Isolation escape allowing an attacker to elevate the privilege from a low privileged user to the awx user from outside the isolated environment. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.","status":"published","published":"2021-03-09T17:14:28Z","modified":"2024-08-03T17:37:22Z","updated_at":"2026-11-03T03:25:09.355483Z"}],"ghsa":[{"id":"GHSA-rr45-4xhx-rxc8","title":"A flaw was found in ansible-tower. The default installation is vulnerable to Job Isolation escape...","description":"A flaw was found in ansible-tower. The default installation is vulnerable to Job Isolation escape allowing an attacker to elevate the privilege from a low privileged user to the awx user from outside the isolated environment. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.","status":"published","published":"2022-05-24T17:43:52Z","modified":"2023-01-29T05:05:35Z","cwes":["CWE-552"],"updated_at":"2026-11-02T14:45:49.842411Z"}],"nvd":[{"id":"CVE-2021-20253","description":"A flaw was found in ansible-tower. The default installation is vulnerable to Job Isolation escape allowing an attacker to elevate the privilege from a low privileged user to the awx user from outside the isolated environment. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.","status":"published","published":"2021-03-09T18:15:15.157Z","modified":"2026-06-17T03:33:33.003Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":3.5,"vector":"AV:L/AC:H/Au:S/C:P/I:P/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-552"],"updated_at":"2026-11-02T14:06:50.399901Z"}]}}