{"id":"USN-5386-1","summary":"python-aiohttp vulnerability","details":"Jelmer Vernooij and Beast Glatisant discovered that AIOHTTP incorrectly\nhandled certain URLs, leading to an open redirect attack. A remote\nattacker could possibly use this issue to perform phishing attacks.\n","modified":"2026-02-10T04:42:35Z","published":"2022-04-21T13:20:58Z","related":["UBUNTU-CVE-2021-21330"],"upstream":["CVE-2021-21330","UBUNTU-CVE-2021-21330"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5386-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-21330"}],"affected":[{"package":{"name":"python-aiohttp","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/python-aiohttp@3.0.1-1ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.1-1ubuntu0.1~esm1"}]}],"versions":["2.2.3-1build1","2.2.3-2","2.3.6-1","3.0.1-1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"3.0.1-1ubuntu0.1~esm1","binary_name":"python3-aiohttp"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5386-1.json","cves_map":{"cves":[{"id":"CVE-2021-21330","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:Pro:18.04:LTS"}}},{"package":{"name":"python-aiohttp","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/python-aiohttp@3.6.2-1ubuntu0.1~esm1?arch=source&distro=esm-apps/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.2-1ubuntu0.1~esm1"}]}],"versions":["3.5.4-1","3.5.4-1build1","3.6.1-1","3.6.2-1","3.6.2-1build1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"3.6.2-1ubuntu0.1~esm1","binary_name":"python3-aiohttp"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5386-1.json","cves_map":{"cves":[{"id":"CVE-2021-21330","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:Pro:20.04:LTS"}}}],"schema_version":"1.7.3"}