{"id":"CVE-2020-8807","aliases":["EUVD-2020-29655","GHSA-7c7v-m65h-x98v"],"status":"published","title":"In Electric Coin Company Zcashd before 2.1.1-1, the time offset between messages could be...","description":"In Electric Coin Company Zcashd before 2.1.1-1, the time offset between messages could be leveraged to obtain sensitive information about the relationship between a suspected victim's address and an IP address, aka a timing side channel.","severity":{"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","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01054,"percentile":0.64626,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-02-05T09:13:58Z","modified":"2026-06-17T03:26:58Z","products":[{"vendor":"electriccoin","product":"zcashd"}],"references":[{"url":"https://electriccoin.co/blog/new-releases-2-1-1-and-hotfix-2-1-1-1/","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-8807"},{"url":"https://github.com/advisories/GHSA-7c7v-m65h-x98v"}],"sources":{"cve":[{"id":"CVE-2020-8807","description":"In Electric Coin Company Zcashd before 2.1.1-1, the time offset between messages could be leveraged to obtain sensitive information about the relationship between a suspected victim's address and an IP address, aka a timing side channel.","status":"published","published":"2021-02-05T09:13:58Z","modified":"2024-08-04T10:12:10.589Z","updated_at":"2026-11-02T14:35:50.88562Z"}],"euvd":[{"id":"EUVD-2020-29655","description":"In Electric Coin Company Zcashd before 2.1.1-1, the time offset between messages could be leveraged to obtain sensitive information about the relationship between a suspected victim's address and an IP address, aka a timing side channel.","status":"published","published":"2021-02-05T09:13:58Z","modified":"2024-08-04T10:12:10Z","updated_at":"2026-11-03T03:07:56.155078Z"}],"ghsa":[{"id":"GHSA-7c7v-m65h-x98v","title":"In Electric Coin Company Zcashd before 2.1.1-1, the time offset between messages could be...","description":"In Electric Coin Company Zcashd before 2.1.1-1, the time offset between messages could be leveraged to obtain sensitive information about the relationship between a suspected victim's address and an IP address, aka a timing side channel.","status":"published","published":"2022-05-24T22:01:27Z","modified":"2023-01-30T05:05:12Z","updated_at":"2026-11-02T14:47:13.441339Z"}],"nvd":[{"id":"CVE-2020-8807","description":"In Electric Coin Company Zcashd before 2.1.1-1, the time offset between messages could be leveraged to obtain sensitive information about the relationship between a suspected victim's address and an IP address, aka a timing side channel.","status":"published","published":"2021-02-05T14:15:17.513Z","modified":"2026-06-17T03:26:58.71Z","cvss":[{"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"}],"updated_at":"2026-11-02T14:06:34.188486Z"}]}}
