{"id":"CVE-2021-25376","aliases":["EUVD-2021-12272","GHSA-7vc5-w68f-5fg9"],"status":"published","title":"An improper synchronization logic in Samsung Email prior to version 6.1.41.0 can leak messages in...","description":"An improper synchronization logic in Samsung Email prior to version 6.1.41.0 can leak messages in certain mailbox in plain text when STARTTLS negotiation is failed.","severity":{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00814,"percentile":0.57474,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200","CWE-662"],"published":"2021-04-09T17:39:06Z","modified":"2026-06-17T03:41:58Z","products":[{"vendor":"samsung","product":"email"},{"vendor":"samsung mobile","product":"samsung email"}],"references":[{"url":"https://security.samsungmobile.com/","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://security.samsungmobile.com/serviceWeb.smsb","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-25376"},{"url":"https://github.com/advisories/GHSA-7vc5-w68f-5fg9"}],"sources":{"cve":[{"id":"CVE-2021-25376","description":"An improper synchronization logic in Samsung Email prior to version 6.1.41.0 can leak messages in certain mailbox in plain text when STARTTLS negotiation is failed.","status":"published","published":"2021-04-09T17:39:06Z","modified":"2024-08-03T20:03:05.532Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:32:59.430294Z"}],"euvd":[{"id":"EUVD-2021-12272","description":"An improper synchronization logic in Samsung Email prior to version 6.1.41.0 can leak messages in certain mailbox in plain text when STARTTLS negotiation is failed.","status":"published","published":"2021-04-09T17:39:06Z","modified":"2024-08-03T20:03:05Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"updated_at":"2026-11-03T03:24:53.302862Z"}],"ghsa":[{"id":"GHSA-7vc5-w68f-5fg9","title":"An improper synchronization logic in Samsung Email prior to version 6.1.41.0 can leak messages in...","description":"An improper synchronization logic in Samsung Email prior to version 6.1.41.0 can leak messages in certain mailbox in plain text when STARTTLS negotiation is failed.","status":"published","published":"2022-05-24T17:47:00Z","modified":"2023-01-29T05:06:20Z","cwes":["CWE-662"],"updated_at":"2026-11-02T14:46:00.036476Z"}],"nvd":[{"id":"CVE-2021-25376","description":"An improper synchronization logic in Samsung Email prior to version 6.1.41.0 can leak messages in certain mailbox in plain text when STARTTLS negotiation is failed.","status":"published","published":"2021-04-09T18:15:15.24Z","modified":"2026-06-17T03:41:58.263Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-200","CWE-662"],"updated_at":"2026-11-02T14:06:51.610648Z"}]}}