{"id":"CVE-2020-29450","aliases":["EUVD-2020-21823","GHSA-5m64-chxv-wxq3"],"status":"published","title":"Affected versions of Atlassian Confluence Server and Data Center allow remote attackers to impact...","description":"Affected versions of Atlassian Confluence Server and Data Center allow remote attackers to impact the application's availability via a Denial of Service (DoS) vulnerability in the avatar upload feature. The affected versions are before version 7.2.0.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.02241,"percentile":0.82987,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-434"],"published":"2021-01-19T00:30:14Z","modified":"2026-06-17T03:11:17Z","products":[{"vendor":"atlassian","product":"confluence server"},{"vendor":"atlassian","product":"confluence_data_center"},{"vendor":"atlassian","product":"confluence_server"}],"references":[{"url":"https://jira.atlassian.com/browse/CONFSERVER-60854","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-29450"},{"url":"https://github.com/advisories/GHSA-5m64-chxv-wxq3"}],"sources":{"cve":[{"id":"CVE-2020-29450","description":"Affected versions of Atlassian Confluence Server and Data Center allow remote attackers to impact the application's availability via a Denial of Service (DoS) vulnerability in the avatar upload feature. The affected versions are before version 7.2.0.","status":"published","published":"2021-01-19T00:30:14.158Z","modified":"2024-09-16T17:49:14.701Z","updated_at":"2026-11-02T14:35:55.460269Z"}],"euvd":[{"id":"EUVD-2020-21823","description":"Affected versions of Atlassian Confluence Server and Data Center allow remote attackers to impact the application's availability via a Denial of Service (DoS) vulnerability in the avatar upload feature. The affected versions are before version 7.2.0.","status":"published","published":"2021-01-19T00:30:14Z","modified":"2024-09-16T17:49:14Z","updated_at":"2026-11-03T00:55:38.288771Z"}],"ghsa":[{"id":"GHSA-5m64-chxv-wxq3","title":"Affected versions of Atlassian Confluence Server and Data Center allow remote attackers to impact...","description":"Affected versions of Atlassian Confluence Server and Data Center allow remote attackers to impact the application's availability via a Denial of Service (DoS) vulnerability in the avatar upload feature. The affected versions are before version 7.2.0.","status":"published","published":"2022-05-24T17:39:28Z","modified":"2023-01-27T05:02:58Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:42:08.614878Z"}],"nvd":[{"id":"CVE-2020-29450","description":"Affected versions of Atlassian Confluence Server and Data Center allow remote attackers to impact the application's availability via a Denial of Service (DoS) vulnerability in the avatar upload feature. The affected versions are before version 7.2.0.","status":"published","published":"2021-01-19T01:15:14.603Z","modified":"2026-06-17T03:11:17.857Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/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-434"],"updated_at":"2026-11-02T14:06:30.596418Z"}]}}