{"id":"CVE-2020-27217","aliases":["EUVD-2022-0938","GHSA-9f52-hpvw-v96w"],"status":"published","title":"Improper Validation of Specified Quantity in Input in Eclipse Hono","description":"In Eclipse Hono version 1.3.0 and 1.4.0 the AMQP protocol adapter does not verify the size of AMQP messages received from devices. In particular, a device may send messages that are bigger than the max-message-size that the protocol adapter has indicated during link establishment. While the AMQP 1.0 protocol explicitly disallows a peer to send such messages, a hand crafted AMQP 1.0 client could exploit this behavior in order to send a message of unlimited size to the adapter, eventually causing the adapter to fail with an out of memory exception.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01304,"percentile":0.70757,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1284"],"published":"2020-11-13T19:30:16Z","modified":"2026-10-24T10:30:44Z","fixes":[{"ecosystem":"Maven","package":"org.eclipse.hono:hono-core","fixed_in":["1.4.3"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.eclipse.hono:hono-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.4.0"},{"fixed":"1.4.3"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.eclipse.hono:hono-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.3"}]}],"versions":["0.5","0.5-M1","0.5-M10","0.5-M2","0.5-M3","0.5-M4","0.5-M5","0.5-M6","0.5-M7","0.5-M8","0.5-M9","0.6","0.6-M1","0.6-M2","0.7","0.7-M1","0.7-M2","0.8","0.8-M1","0.8-M1_1","0.8-M2","0.9","0.9-M1","0.9-M2","1.0-M1","1.0-M2","1.0-M3","1.0-M4","1.0-M5","1.0-M6","1.0-M7","1.0.0","1.0.1","1.0.2","1.0.3","1.0.4","1.1.0","1.1.0-M1","1.1.0-M2","1.1.1","1.1.2","1.2.0","1.2.1","1.2.2","1.2.3","1.2.4","1.3.0","1.3.0-M1","1.3.0-M2","1.3.0-M3","1.3.1","1.3.2","1.4.0"]}],"products":[{"vendor":"eclipse","product":"hono"},{"vendor":"the eclipse foundation","product":"eclipse hono"}],"references":[{"url":"https://bugs.eclipse.org/bugs/show_bug.cgi?id=567068","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Vendor Advisory","report","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-27217","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-9f52-hpvw-v96w"}],"sources":{"cve":[{"id":"CVE-2020-27217","description":"In Eclipse Hono version 1.3.0 and 1.4.0 the AMQP protocol adapter does not verify the size of AMQP messages received from devices. In particular, a device may send messages that are bigger than the max-message-size that the protocol adapter has indicated during link establishment. While the AMQP 1.0 protocol explicitly disallows a peer to send such messages, a hand crafted AMQP 1.0 client could exploit this behavior in order to send a message of unlimited size to the adapter, eventually causing the adapter to fail with an out of memory exception.","status":"published","published":"2020-11-13T19:30:16Z","modified":"2024-08-04T16:11:35.953Z","cwes":["CWE-1284"],"updated_at":"2026-11-02T14:35:53.236501Z"}],"euvd":[{"id":"EUVD-2022-0938","description":"In Eclipse Hono version 1.3.0 and 1.4.0 the AMQP protocol adapter does not verify the size of AMQP messages received from devices. In particular, a device may send messages that are bigger than the max-message-size that the protocol adapter has indicated during link establishment. While the AMQP 1.0 protocol explicitly disallows a peer to send such messages, a hand crafted AMQP 1.0 client could exploit this behavior in order to send a message of unlimited size to the adapter, eventually causing the adapter to fail with an out of memory exception.","status":"published","published":"2020-11-13T19:30:16Z","modified":"2024-08-04T16:11:35Z","updated_at":"2026-11-03T03:07:13.515696Z"}],"ghsa":[{"id":"GHSA-9f52-hpvw-v96w","title":"Improper Validation of Specified Quantity in Input in Eclipse Hono","description":"In Eclipse Hono version 1.3.0 and 1.4.0 the AMQP protocol adapter does not verify the size of AMQP messages received from devices. In particular, a device may send messages that are bigger than the max-message-size that the protocol adapter has indicated during link establishment. While the AMQP 1.0 protocol explicitly disallows a peer to send such messages, a hand crafted AMQP 1.0 client could exploit this behavior in order to send a message of unlimited size to the adapter, eventually causing the adapter to fail with an out of memory exception.","status":"published","published":"2022-02-10T20:22:06Z","modified":"2023-02-01T05:05:26Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-1284"],"updated_at":"2026-11-02T14:36:34.260786Z"}],"nvd":[{"id":"CVE-2020-27217","description":"In Eclipse Hono version 1.3.0 and 1.4.0 the AMQP protocol adapter does not verify the size of AMQP messages received from devices. In particular, a device may send messages that are bigger than the max-message-size that the protocol adapter has indicated during link establishment. While the AMQP 1.0 protocol explicitly disallows a peer to send such messages, a hand crafted AMQP 1.0 client could exploit this behavior in order to send a message of unlimited size to the adapter, eventually causing the adapter to fail with an out of memory exception.","status":"published","published":"2020-11-13T20:15:16.27Z","modified":"2026-06-17T03:08:58.33Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-1284"],"updated_at":"2026-11-02T14:06:24.137599Z"}],"osv":[{"id":"CVE-2020-27217","description":"In Eclipse Hono version 1.3.0 and 1.4.0 the AMQP protocol adapter does not verify the size of AMQP messages received from devices. In particular, a device may send messages that are bigger than the max-message-size that the protocol adapter has indicated during link establishment. While the AMQP 1.0 protocol explicitly disallows a peer to send such messages, a hand crafted AMQP 1.0 client could exploit this behavior in order to send a message of unlimited size to the adapter, eventually causing the adapter to fail with an out of memory exception.","status":"published","published":"2020-11-13T20:15:16.27Z","modified":"2026-10-24T10:30:44.19314202Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:16.248747Z"},{"id":"GHSA-9f52-hpvw-v96w","title":"Improper Validation of Specified Quantity in Input in Eclipse Hono","description":"In Eclipse Hono version 1.3.0 and 1.4.0 the AMQP protocol adapter does not verify the size of AMQP messages received from devices. In particular, a device may send messages that are bigger than the max-message-size that the protocol adapter has indicated during link establishment. While the AMQP 1.0 protocol explicitly disallows a peer to send such messages, a hand crafted AMQP 1.0 client could exploit this behavior in order to send a message of unlimited size to the adapter, eventually causing the adapter to fail with an out of memory exception.","status":"published","published":"2022-02-10T20:22:06Z","modified":"2023-11-08T04:03:21.194931Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-1284"],"updated_at":"2026-11-02T15:46:43.524801Z"}]}}