{"id":"CVE-2020-4207","aliases":["EUVD-2020-25454","GHSA-p3wr-rj67-3cjc"],"status":"published","title":"IBM Watson IoT Message Gateway 2.0.0.x, 5.0.0.0, 5.0.0.1, and 5.0.0.2 is vulnerable to a buffer...","description":"IBM Watson IoT Message Gateway 2.0.0.x, 5.0.0.0, 5.0.0.1, and 5.0.0.2 is vulnerable to a buffer overflow, caused by improper bounds checking when handling a failed HTTP request with specific content in the headers. By sending a specially crafted HTTP request, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause a denial of service. IBM X-Force ID: 174972.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/S:U/A:H/I:H/AC:L/C:H/AV:N/UI:N/PR:N/RL:O/E:U/RC:C","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.04526,"percentile":0.91603,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2020-01-28T18:30:57Z","modified":"2026-06-17T03:19:39Z","products":[{"vendor":"ibm","product":"iot messagesight"},{"vendor":"ibm","product":"iot_messagesight"},{"vendor":"ibm","product":"watson_iot_platform_-_message_gateway"},{"vendor":"ibm","product":"wiotp messagegateway"}],"references":[{"url":"https://www.ibm.com/support/pages/node/1283626","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/174972","tags":["vdb-entry","x_refsource_XF","x_transferred","VDB Entry","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-4207"},{"url":"https://github.com/advisories/GHSA-p3wr-rj67-3cjc"}],"sources":{"cve":[{"id":"CVE-2020-4207","description":"IBM Watson IoT Message Gateway 2.0.0.x, 5.0.0.0, 5.0.0.1, and 5.0.0.2 is vulnerable to a buffer overflow, caused by improper bounds checking when handling a failed HTTP request with specific content in the headers. By sending a specially crafted HTTP request, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause a denial of service. IBM X-Force ID: 174972.","status":"published","published":"2020-01-28T18:30:57.977Z","modified":"2024-09-17T04:20:23.943Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/S:U/A:H/I:H/AC:L/C:H/AV:N/UI:N/PR:N/RL:O/E:U/RC:C","level":"critical","assessor":"cna"}],"updated_at":"2026-11-02T14:35:55.797746Z"}],"euvd":[{"id":"EUVD-2020-25454","description":"IBM Watson IoT Message Gateway 2.0.0.x, 5.0.0.0, 5.0.0.1, and 5.0.0.2 is vulnerable to a buffer overflow, caused by improper bounds checking when handling a failed HTTP request with specific content in the headers. By sending a specially crafted HTTP request, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause a denial of service. IBM X-Force ID: 174972.","status":"published","published":"2020-01-28T18:30:57Z","modified":"2024-09-17T04:20:23Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/S:U/A:H/I:H/AC:L/C:H/AV:N/UI:N/PR:N/RL:O/E:U/RC:C","level":"critical"}],"updated_at":"2026-11-03T00:28:23.906788Z"}],"ghsa":[{"id":"GHSA-p3wr-rj67-3cjc","title":"IBM Watson IoT Message Gateway 2.0.0.x, 5.0.0.0, 5.0.0.1, and 5.0.0.2 is vulnerable to a buffer...","description":"IBM Watson IoT Message Gateway 2.0.0.x, 5.0.0.0, 5.0.0.1, and 5.0.0.2 is vulnerable to a buffer overflow, caused by improper bounds checking when handling a failed HTTP request with specific content in the headers. By sending a specially crafted HTTP request, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause a denial of service. IBM X-Force ID: 174972.","status":"published","published":"2022-05-24T17:07:37Z","modified":"2023-01-29T05:01:14Z","updated_at":"2026-11-02T14:44:45.930691Z"}],"nvd":[{"id":"CVE-2020-4207","description":"IBM Watson IoT Message Gateway 2.0.0.x, 5.0.0.0, 5.0.0.1, and 5.0.0.2 is vulnerable to a buffer overflow, caused by improper bounds checking when handling a failed HTTP request with specific content in the headers. By sending a specially crafted HTTP request, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause a denial of service. IBM X-Force ID: 174972.","status":"published","published":"2020-01-28T19:15:14.31Z","modified":"2026-06-17T03:19:39.403Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:05:53.837808Z"}]}}