{"id":"CVE-2021-33592","aliases":["EUVD-2021-20276","GHSA-v67h-j6jf-6wcf"],"status":"published","title":"NAVER Toolbar before 4.0.30.323 allows remote attackers to execute arbitrary code via a crafted...","description":"NAVER Toolbar before 4.0.30.323 allows remote attackers to execute arbitrary code via a crafted upgrade.xml file. Special characters in filename parameter can be the cause of bypassing code signing check function.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.02118,"percentile":0.82013,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2021-07-19T05:55:10Z","modified":"2026-06-17T03:54:50Z","products":[{"vendor":"naver","product":"naver toolbar"},{"vendor":"naver","product":"toolbar"}],"references":[{"url":"https://cve.naver.com/detail/cve-2021-33592","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-33592"},{"url":"https://github.com/advisories/GHSA-v67h-j6jf-6wcf"}],"sources":{"cve":[{"id":"CVE-2021-33592","description":"NAVER Toolbar before 4.0.30.323 allows remote attackers to execute arbitrary code via a crafted upgrade.xml file. Special characters in filename parameter can be the cause of bypassing code signing check function.","status":"published","published":"2021-07-19T05:55:10Z","modified":"2024-08-03T23:50:43.175Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:33:10.204494Z"}],"euvd":[{"id":"EUVD-2021-20276","description":"NAVER Toolbar before 4.0.30.323 allows remote attackers to execute arbitrary code via a crafted upgrade.xml file. Special characters in filename parameter can be the cause of bypassing code signing check function.","status":"published","published":"2021-07-19T05:55:10Z","modified":"2024-08-03T23:50:43Z","updated_at":"2026-11-03T03:24:33.866739Z"}],"ghsa":[{"id":"GHSA-v67h-j6jf-6wcf","title":"NAVER Toolbar before 4.0.30.323 allows remote attackers to execute arbitrary code via a crafted...","description":"NAVER Toolbar before 4.0.30.323 allows remote attackers to execute arbitrary code via a crafted upgrade.xml file. Special characters in filename parameter can be the cause of bypassing code signing check function.","status":"published","published":"2022-05-24T19:08:24Z","modified":"2023-01-30T05:01:47Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:46:29.327755Z"}],"nvd":[{"id":"CVE-2021-33592","description":"NAVER Toolbar before 4.0.30.323 allows remote attackers to execute arbitrary code via a crafted upgrade.xml file. Special characters in filename parameter can be the cause of bypassing code signing check function.","status":"published","published":"2021-07-19T06:15:06.903Z","modified":"2026-06-17T03:54:50.467Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:06:55.747384Z"}]}}