{"id":"CVE-2020-23545","aliases":["EUVD-2020-16289","GHSA-3mmp-fjhh-4r72"],"status":"published","title":"IrfanView 4.54 allows a user-mode write access violation starting at FORMATS!ReadXPM_W...","description":"IrfanView 4.54 allows a user-mode write access violation starting at FORMATS!ReadXPM_W+0x0000000000000531.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01312,"percentile":0.7093,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-12-15T07:04:15Z","modified":"2026-06-17T03:04:47Z","products":[{"vendor":"irfanview","product":"irfanview"}],"references":[{"url":"https://www.irfanview.com/plugins.htm","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://github.com/nhiephon/Research/blob/master/README.md","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://github.com/nhiephon/Research/blob/master/Irfanview/0x0000000000000531.MD","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-23545"},{"url":"https://github.com/advisories/GHSA-3mmp-fjhh-4r72"}],"sources":{"cve":[{"id":"CVE-2020-23545","description":"IrfanView 4.54 allows a user-mode write access violation starting at FORMATS!ReadXPM_W+0x0000000000000531.","status":"published","published":"2021-12-15T07:04:15Z","modified":"2024-08-04T14:58:15.194Z","updated_at":"2026-11-02T14:35:48.854892Z"}],"euvd":[{"id":"EUVD-2020-16289","description":"IrfanView 4.54 allows a user-mode write access violation starting at FORMATS!ReadXPM_W+0x0000000000000531.","status":"published","published":"2021-12-15T07:04:15Z","modified":"2024-08-04T14:58:15Z","updated_at":"2026-11-03T03:07:21.661388Z"}],"ghsa":[{"id":"GHSA-3mmp-fjhh-4r72","title":"IrfanView 4.54 allows a user-mode write access violation starting at FORMATS!ReadXPM_W...","description":"IrfanView 4.54 allows a user-mode write access violation starting at FORMATS!ReadXPM_W+0x0000000000000531.","status":"published","published":"2021-12-16T00:02:13Z","modified":"2023-02-01T05:07:07Z","updated_at":"2026-11-02T14:50:28.921795Z"}],"nvd":[{"id":"CVE-2020-23545","description":"IrfanView 4.54 allows a user-mode write access violation starting at FORMATS!ReadXPM_W+0x0000000000000531.","status":"published","published":"2021-12-15T08:15:07.35Z","modified":"2026-06-17T03:04:47.187Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:46.101987Z"}]}}