{"id":"CVE-2018-1503","aliases":["EUVD-2018-12082","GHSA-c86m-jfmr-j98w"],"status":"published","title":"IBM WebSphere MQ 7.5, 8.0, and 9.0 could allow a remotely authenticated attacker to to send...","description":"IBM WebSphere MQ 7.5, 8.0, and 9.0 could allow a remotely authenticated attacker to to send invalid or malformed headers that could cause messages to no longer be transmitted via the affected channel. IBM X-Force ID: 141339.","severity":{"version":"3.0","score":4.3,"vector":"CVSS:3.0/A:L/AC:L/AV:N/C:N/I:N/PR:L/S:U/UI:N/E:U/RC:C/RL:O","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.01991,"percentile":0.80793,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2018-07-23T13:00:00Z","modified":"2026-06-17T01:51:21Z","products":[{"vendor":"ibm","product":"websphere mq"},{"vendor":"ibm","product":"websphere_mq"}],"references":[{"url":"http://www.securityfocus.com/bid/104953","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.ibm.com/support/docview.wss?uid=swg22015617","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://www.securitytracker.com/id/1041387","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/141339","tags":["vdb-entry","x_refsource_XF","x_transferred","VDB Entry","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-1503"},{"url":"https://github.com/advisories/GHSA-c86m-jfmr-j98w"}],"sources":{"cve":[{"id":"CVE-2018-1503","description":"IBM WebSphere MQ 7.5, 8.0, and 9.0 could allow a remotely authenticated attacker to to send invalid or malformed headers that could cause messages to no longer be transmitted via the affected channel. IBM X-Force ID: 141339.","status":"published","published":"2018-07-23T13:00:00Z","modified":"2024-09-16T17:59:15.374Z","cvss":[{"version":"3.0","score":4.3,"vector":"CVSS:3.0/A:L/AC:L/AV:N/C:N/I:N/PR:L/S:U/UI:N/E:U/RC:C/RL:O","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:35:09.139955Z"}],"euvd":[{"id":"EUVD-2018-12082","description":"IBM WebSphere MQ 7.5, 8.0, and 9.0 could allow a remotely authenticated attacker to to send invalid or malformed headers that could cause messages to no longer be transmitted via the affected channel. IBM X-Force ID: 141339.","status":"published","published":"2018-07-23T13:00:00Z","modified":"2024-09-16T17:59:15Z","cvss":[{"version":"3.0","score":4.3,"vector":"CVSS:3.0/A:L/AC:L/AV:N/C:N/I:N/PR:L/S:U/UI:N/E:U/RC:C/RL:O","level":"medium"}],"updated_at":"2026-11-03T00:55:36.806318Z"}],"ghsa":[{"id":"GHSA-c86m-jfmr-j98w","title":"IBM WebSphere MQ 7.5, 8.0, and 9.0 could allow a remotely authenticated attacker to to send...","description":"IBM WebSphere MQ 7.5, 8.0, and 9.0 could allow a remotely authenticated attacker to to send invalid or malformed headers that could cause messages to no longer be transmitted via the affected channel. IBM X-Force ID: 141339.","status":"published","published":"2022-05-13T01:33:11Z","modified":"2023-02-01T05:08:33Z","cvss":[{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:50:47.846536Z"}],"nvd":[{"id":"CVE-2018-1503","description":"IBM WebSphere MQ 7.5, 8.0, and 9.0 could allow a remotely authenticated attacker to to send invalid or malformed headers that could cause messages to no longer be transmitted via the affected channel. IBM X-Force ID: 141339.","status":"published","published":"2018-07-23T13:29:00.217Z","modified":"2026-06-17T01:51:21.057Z","cvss":[{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"secondary"},{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:04:33.865124Z"}]}}