{"id":"CVE-2019-4620","aliases":["EUVD-2019-14227","GHSA-qwqq-r334-mqgx"],"status":"published","title":"IBM MQ Appliance 8.0 and 9.0 LTS could allow a local attacker to bypass security restrictions...","description":"IBM MQ Appliance 8.0 and 9.0 LTS could allow a local attacker to bypass security restrictions caused by improper validation of environment variables. IBM X-Force ID: 168863.","severity":{"version":"3.0","score":8.4,"vector":"CVSS:3.0/S:U/A:H/I:H/AC:L/AV:L/C:H/UI:N/PR:N/RC:C/E:U/RL:O","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00353,"percentile":0.29211,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2020-01-28T18:30:53Z","modified":"2026-06-17T02:36:43Z","products":[{"vendor":"ibm","product":"mq appliance"},{"vendor":"ibm","product":"mq_appliance"}],"references":[{"url":"https://www.ibm.com/support/pages/node/1125891","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/168863","tags":["vdb-entry","x_refsource_XF","x_transferred","VDB Entry","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-4620"},{"url":"https://github.com/advisories/GHSA-qwqq-r334-mqgx"}],"sources":{"cve":[{"id":"CVE-2019-4620","description":"IBM MQ Appliance 8.0 and 9.0 LTS could allow a local attacker to bypass security restrictions caused by improper validation of environment variables. IBM X-Force ID: 168863.","status":"published","published":"2020-01-28T18:30:53.03Z","modified":"2024-09-17T03:18:41.467Z","cvss":[{"version":"3.0","score":8.4,"vector":"CVSS:3.0/S:U/A:H/I:H/AC:L/AV:L/C:H/UI:N/PR:N/RC:C/E:U/RL:O","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:20:25.303966Z"}],"euvd":[{"id":"EUVD-2019-14227","description":"IBM MQ Appliance 8.0 and 9.0 LTS could allow a local attacker to bypass security restrictions caused by improper validation of environment variables. IBM X-Force ID: 168863.","status":"published","published":"2020-01-28T18:30:53Z","modified":"2024-09-17T03:18:41Z","cvss":[{"version":"3.0","score":8.4,"vector":"CVSS:3.0/S:U/A:H/I:H/AC:L/AV:L/C:H/UI:N/PR:N/RC:C/E:U/RL:O","level":"high"}],"updated_at":"2026-11-03T00:28:32.883624Z"}],"ghsa":[{"id":"GHSA-qwqq-r334-mqgx","title":"IBM MQ Appliance 8.0 and 9.0 LTS could allow a local attacker to bypass security restrictions...","description":"IBM MQ Appliance 8.0 and 9.0 LTS could allow a local attacker to bypass security restrictions caused by improper validation of environment variables. IBM X-Force ID: 168863.","status":"published","published":"2022-05-24T17:07:34Z","modified":"2023-01-29T05:01:14Z","updated_at":"2026-11-02T14:44:45.930691Z"}],"nvd":[{"id":"CVE-2019-4620","description":"IBM MQ Appliance 8.0 and 9.0 LTS could allow a local attacker to bypass security restrictions caused by improper validation of environment variables. IBM X-Force ID: 168863.","status":"published","published":"2020-01-28T19:15:13.217Z","modified":"2026-06-17T02:36:43.813Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.0","score":8.4,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:05:43.875329Z"}]}}