{"id":"CVE-2021-28042","aliases":["EUVD-2021-14749","GHSA-g95r-pfvg-gjpj"],"status":"published","title":"Deutsche Post Mailoptimizer 4.3 before 2020-11-09 allows Directory Traversal via a crafted ZIP...","description":"Deutsche Post Mailoptimizer 4.3 before 2020-11-09 allows Directory Traversal via a crafted ZIP archive to the Upload feature or the MO Connect component. This can lead to remote code execution.","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":0.03429,"percentile":0.89038,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2021-03-05T21:43:59Z","modified":"2026-06-17T03:45:46Z","products":[{"vendor":"deutschepost","product":"mailoptimizer"}],"references":[{"url":"https://herolab.usd.de/security-advisories/usd-2020-0028/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://www.deutschepost.de/de/m/mailoptimizer.html","tags":["x_refsource_MISC","x_transferred","Product"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-28042"},{"url":"https://github.com/advisories/GHSA-g95r-pfvg-gjpj"}],"sources":{"cve":[{"id":"CVE-2021-28042","description":"Deutsche Post Mailoptimizer 4.3 before 2020-11-09 allows Directory Traversal via a crafted ZIP archive to the Upload feature or the MO Connect component. This can lead to remote code execution.","status":"published","published":"2021-03-05T21:43:59Z","modified":"2024-08-03T21:33:17.415Z","updated_at":"2026-11-02T14:33:09.175141Z"}],"euvd":[{"id":"EUVD-2021-14749","description":"Deutsche Post Mailoptimizer 4.3 before 2020-11-09 allows Directory Traversal via a crafted ZIP archive to the Upload feature or the MO Connect component. This can lead to remote code execution.","status":"published","published":"2021-03-05T21:43:59Z","modified":"2024-08-03T21:33:17Z","updated_at":"2026-11-03T03:24:47.80549Z"}],"ghsa":[{"id":"GHSA-g95r-pfvg-gjpj","title":"Deutsche Post Mailoptimizer 4.3 before 2020-11-09 allows Directory Traversal via a crafted ZIP...","description":"Deutsche Post Mailoptimizer 4.3 before 2020-11-09 allows Directory Traversal via a crafted ZIP archive to the Upload feature or the MO Connect component. This can lead to remote code execution.","status":"published","published":"2022-05-24T17:43:48Z","modified":"2023-01-29T05:05:34Z","cwes":["CWE-22"],"updated_at":"2026-11-02T14:45:49.842411Z"}],"nvd":[{"id":"CVE-2021-28042","description":"Deutsche Post Mailoptimizer 4.3 before 2020-11-09 allows Directory Traversal via a crafted ZIP archive to the Upload feature or the MO Connect component. This can lead to remote code execution.","status":"published","published":"2021-03-05T22:15:12.473Z","modified":"2026-06-17T03:45:46.213Z","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":8.3,"vector":"AV:N/AC:M/Au:N/C:C/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:06:50.399901Z"}]}}