{"id":"CVE-2017-1556","aliases":["EUVD-2017-10572","GHSA-7c55-xcq9-wjvm"],"status":"published","title":"IBM API Connect 5.0.7.0 through 5.0.7.2 is vulnerable to a regular expression attack that could...","description":"IBM API Connect 5.0.7.0 through 5.0.7.2 is vulnerable to a regular expression attack that could allow an authenticated attacker to use a regex and cause the system to slow or hang. IBM X-Force ID: 131546.","severity":{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.01455,"percentile":0.73617,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2017-09-13T18:00:00Z","modified":"2026-06-17T01:14:33Z","products":[{"vendor":"ibm","product":"api connect"},{"vendor":"ibm","product":"api_connect"}],"references":[{"url":"http://www.securityfocus.com/bid/100831","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.ibm.com/support/docview.wss?uid=swg22008315","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/131546","tags":["x_refsource_MISC","x_transferred","VDB Entry","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-1556"},{"url":"https://github.com/advisories/GHSA-7c55-xcq9-wjvm"}],"sources":{"cve":[{"id":"CVE-2017-1556","description":"IBM API Connect 5.0.7.0 through 5.0.7.2 is vulnerable to a regular expression attack that could allow an authenticated attacker to use a regex and cause the system to slow or hang. IBM X-Force ID: 131546.","status":"published","published":"2017-09-13T18:00:00Z","modified":"2024-09-17T01:51:42.744Z","updated_at":"2026-11-02T14:33:19.203575Z"}],"euvd":[{"id":"EUVD-2017-10572","description":"IBM API Connect 5.0.7.0 through 5.0.7.2 is vulnerable to a regular expression attack that could allow an authenticated attacker to use a regex and cause the system to slow or hang. IBM X-Force ID: 131546.","status":"published","published":"2017-09-13T18:00:00Z","modified":"2024-09-17T01:51:42Z","updated_at":"2026-11-03T00:28:45.722533Z"}],"ghsa":[{"id":"GHSA-7c55-xcq9-wjvm","title":"IBM API Connect 5.0.7.0 through 5.0.7.2 is vulnerable to a regular expression attack that could...","description":"IBM API Connect 5.0.7.0 through 5.0.7.2 is vulnerable to a regular expression attack that could allow an authenticated attacker to use a regex and cause the system to slow or hang. IBM X-Force ID: 131546.","status":"published","published":"2022-05-17T00:48:29Z","modified":"2023-02-03T05:02:36Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:53:12.235581Z"}],"nvd":[{"id":"CVE-2017-1556","description":"IBM API Connect 5.0.7.0 through 5.0.7.2 is vulnerable to a regular expression attack that could allow an authenticated attacker to use a regex and cause the system to slow or hang. IBM X-Force ID: 131546.","status":"published","published":"2017-09-13T18:29:00.213Z","modified":"2026-06-17T01:14:33.463Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","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":"2026-11-02T14:03:59.716532Z"}]}}