{"id":"CVE-2020-5806","aliases":["EUVD-2020-26963","GHSA-3g7c-253j-whp9"],"status":"published","title":"An attacker-controlled memory allocation size can be passed to the C++ new operator in the...","description":"An attacker-controlled memory allocation size can be passed to the C++ new operator in the CServerManager::HandleBrowseLoadIconStreamRequest in messaging.dll. This can be done by sending a specially crafted message to 127.0.0.1:7153. Observed in FactoryTalk Linx 6.11. All versions of FactoryTalk Linx are affected.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.04776,"percentile":0.92029,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-770"],"published":"2020-12-29T15:08:36Z","modified":"2026-06-17T03:22:16Z","products":[{"vendor":"rockwellautomation","product":"factorytalk_linx"}],"references":[{"url":"https://www.tenable.com/security/research/tra-2020-71","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-5806"},{"url":"https://github.com/advisories/GHSA-3g7c-253j-whp9"}],"sources":{"cve":[{"id":"CVE-2020-5806","description":"An attacker-controlled memory allocation size can be passed to the C++ new operator in the CServerManager::HandleBrowseLoadIconStreamRequest in messaging.dll. This can be done by sending a specially crafted message to 127.0.0.1:7153. Observed in FactoryTalk Linx 6.11. All versions of FactoryTalk Linx are affected.","status":"published","published":"2020-12-29T15:08:36Z","modified":"2024-08-04T08:39:25.924Z","updated_at":"2026-11-02T14:35:47.877975Z"}],"euvd":[{"id":"EUVD-2020-26963","description":"An attacker-controlled memory allocation size can be passed to the C++ new operator in the CServerManager::HandleBrowseLoadIconStreamRequest in messaging.dll. This can be done by sending a specially crafted message to 127.0.0.1:7153. Observed in FactoryTalk Linx 6.11. All versions of FactoryTalk Linx are affected.","status":"published","published":"2020-12-29T15:08:36Z","modified":"2024-08-04T08:39:25Z","updated_at":"2026-11-03T03:08:05.705852Z"}],"ghsa":[{"id":"GHSA-3g7c-253j-whp9","title":"An attacker-controlled memory allocation size can be passed to the C++ new operator in the...","description":"An attacker-controlled memory allocation size can be passed to the C++ new operator in the CServerManager::HandleBrowseLoadIconStreamRequest in messaging.dll. This can be done by sending a specially crafted message to 127.0.0.1:7153. Observed in FactoryTalk Linx 6.11. All versions of FactoryTalk Linx are affected.","status":"published","published":"2022-05-24T17:37:29Z","modified":"2023-01-29T05:05:11Z","cwes":["CWE-770"],"updated_at":"2026-11-02T14:45:43.934947Z"}],"nvd":[{"id":"CVE-2020-5806","description":"An attacker-controlled memory allocation size can be passed to the C++ new operator in the CServerManager::HandleBrowseLoadIconStreamRequest in messaging.dll. This can be done by sending a specially crafted message to 127.0.0.1:7153. Observed in FactoryTalk Linx 6.11. All versions of FactoryTalk Linx are affected.","status":"published","published":"2020-12-29T16:15:14.887Z","modified":"2026-06-17T03:22:16.31Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:06:28.340168Z"}]}}